Finding the Third Proportional to 498,868.50 and 760,758

Step by Step Solution

1. Step 1: Write the proportion equation
   498,868.50 : 760,758 = 760,758 : x
2. Step 2: Convert to fraction form
   498,868.50/760,758 = 760,758/x
3. Step 3: Cross multiply
   498,868.50x = 760,758 × 760,758
4. Step 4: Simplify right side
   498,868.50x = 578,752,734,564
5. Step 5: Solve for x
   x = 578,752,734,564/498,868.50
6. Step 6: Final answer
   x = 1,160,130.85