Finding the Third Proportional to 19,711,318,869,196 and 28,976,513,157,858

Step by Step Solution

1. Step 1: Write the proportion equation
   19,711,318,869,196 : 28,976,513,157,858 = 28,976,513,157,858 : x
2. Step 2: Convert to fraction form
   19,711,318,869,196/28,976,513,157,858 = 28,976,513,157,858/x
3. Step 3: Cross multiply
   19,711,318,869,196x = 28,976,513,157,858 × 28,976,513,157,858
4. Step 4: Simplify right side
   19,711,318,869,196x = 839,638,314,787,517,752,525,455,360
5. Step 5: Solve for x
   x = 839,638,314,787,517,752,525,455,360/19,711,318,869,196
6. Step 6: Final answer
   x = 42,596,759,778,447.31