Finding the Third Proportional to 357,154,969.50 and 769,043,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,154,969.50 : 769,043,167.50 = 769,043,167.50 : x
2. Step 2: Convert to fraction form
   357,154,969.50/769,043,167.50 = 769,043,167.50/x
3. Step 3: Cross multiply
   357,154,969.50x = 769,043,167.50 × 769,043,167.50
4. Step 4: Simplify right side
   357,154,969.50x = 591,427,393,478,433,024
5. Step 5: Solve for x
   x = 591,427,393,478,433,024/357,154,969.50
6. Step 6: Final answer
   x = 1,655,940,541.18