Finding the Third Proportional to 79,943,878,073 and 177,762,066,290

Step by Step Solution

1. Step 1: Write the proportion equation
   79,943,878,073 : 177,762,066,290 = 177,762,066,290 : x
2. Step 2: Convert to fraction form
   79,943,878,073/177,762,066,290 = 177,762,066,290/x
3. Step 3: Cross multiply
   79,943,878,073x = 177,762,066,290 × 177,762,066,290
4. Step 4: Simplify right side
   79,943,878,073x = 31,599,352,211,690,355,687,424
5. Step 5: Solve for x
   x = 31,599,352,211,690,355,687,424/79,943,878,073
6. Step 6: Final answer
   x = 395,269,193,506.42