Finding the Third Proportional to 498,860.50 and 760,744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,860.50 : 760,744.50 = 760,744.50 : x
2. Step 2: Convert to fraction form
   498,860.50/760,744.50 = 760,744.50/x
3. Step 3: Cross multiply
   498,860.50x = 760,744.50 × 760,744.50
4. Step 4: Simplify right side
   498,860.50x = 578,732,194,280.25
5. Step 5: Solve for x
   x = 578,732,194,280.25/498,860.50
6. Step 6: Final answer
   x = 1,160,108.28