Finding the Third Proportional to 605,935.50 and 921,495

Step by Step Solution

1. Step 1: Write the proportion equation
   605,935.50 : 921,495 = 921,495 : x
2. Step 2: Convert to fraction form
   605,935.50/921,495 = 921,495/x
3. Step 3: Cross multiply
   605,935.50x = 921,495 × 921,495
4. Step 4: Simplify right side
   605,935.50x = 849,153,035,025
5. Step 5: Solve for x
   x = 849,153,035,025/605,935.50
6. Step 6: Final answer
   x = 1,401,391.79