Finding the Third Proportional to 156,423,892.50 and 236,648,729.25

Step by Step Solution

1. Step 1: Write the proportion equation
   156,423,892.50 : 236,648,729.25 = 236,648,729.25 : x
2. Step 2: Convert to fraction form
   156,423,892.50/236,648,729.25 = 236,648,729.25/x
3. Step 3: Cross multiply
   156,423,892.50x = 236,648,729.25 × 236,648,729.25
4. Step 4: Simplify right side
   156,423,892.50x = 56,002,621,055,639,808
5. Step 5: Solve for x
   x = 56,002,621,055,639,808/156,423,892.50
6. Step 6: Final answer
   x = 358,018,331.86