Finding the Third Proportional to 19,711,318,869,204 and 28,976,513,157,870

Step by Step Solution

1. Step 1: Write the proportion equation
   19,711,318,869,204 : 28,976,513,157,870 = 28,976,513,157,870 : x
2. Step 2: Convert to fraction form
   19,711,318,869,204/28,976,513,157,870 = 28,976,513,157,870/x
3. Step 3: Cross multiply
   19,711,318,869,204x = 28,976,513,157,870 × 28,976,513,157,870
4. Step 4: Simplify right side
   19,711,318,869,204x = 839,638,314,788,213,193,630,023,680
5. Step 5: Solve for x
   x = 839,638,314,788,213,193,630,023,680/19,711,318,869,204
6. Step 6: Final answer
   x = 42,596,759,778,465.30