Finding the Third Proportional to 607,518 and 783,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,518 : 783,949.50 = 783,949.50 : x
2. Step 2: Convert to fraction form
   607,518/783,949.50 = 783,949.50/x
3. Step 3: Cross multiply
   607,518x = 783,949.50 × 783,949.50
4. Step 4: Simplify right side
   607,518x = 614,576,818,550.25
5. Step 5: Solve for x
   x = 614,576,818,550.25/607,518
6. Step 6: Final answer
   x = 1,011,619.11