Finding the Third Proportional to 783,713 and 1,103,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   783,713 : 1,103,642.50 = 1,103,642.50 : x
2. Step 2: Convert to fraction form
   783,713/1,103,642.50 = 1,103,642.50/x
3. Step 3: Cross multiply
   783,713x = 1,103,642.50 × 1,103,642.50
4. Step 4: Simplify right side
   783,713x = 1,218,026,767,806.25
5. Step 5: Solve for x
   x = 1,218,026,767,806.25/783,713
6. Step 6: Final answer
   x = 1,554,174.51