Finding the Third Proportional to 329,096,385 and 683,701,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,096,385 : 683,701,762.50 = 683,701,762.50 : x
2. Step 2: Convert to fraction form
   329,096,385/683,701,762.50 = 683,701,762.50/x
3. Step 3: Cross multiply
   329,096,385x = 683,701,762.50 × 683,701,762.50
4. Step 4: Simplify right side
   329,096,385x = 467,448,100,045,606,400
5. Step 5: Solve for x
   x = 467,448,100,045,606,400/329,096,385
6. Step 6: Final answer
   x = 1,420,398,768.72