Finding the Third Proportional to 173,418,091.50 and 356,029,598.25

Step by Step Solution

1. Step 1: Write the proportion equation
   173,418,091.50 : 356,029,598.25 = 356,029,598.25 : x
2. Step 2: Convert to fraction form
   173,418,091.50/356,029,598.25 = 356,029,598.25/x
3. Step 3: Cross multiply
   173,418,091.50x = 356,029,598.25 × 356,029,598.25
4. Step 4: Simplify right side
   173,418,091.50x = 126,757,074,830,056,400
5. Step 5: Solve for x
   x = 126,757,074,830,056,400/173,418,091.50
6. Step 6: Final answer
   x = 730,933,397.63