Finding the Third Proportional to 783,731.50 and 1,103,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   783,731.50 : 1,103,659.50 = 1,103,659.50 : x
2. Step 2: Convert to fraction form
   783,731.50/1,103,659.50 = 1,103,659.50/x
3. Step 3: Cross multiply
   783,731.50x = 1,103,659.50 × 1,103,659.50
4. Step 4: Simplify right side
   783,731.50x = 1,218,064,291,940.25
5. Step 5: Solve for x
   x = 1,218,064,291,940.25/783,731.50
6. Step 6: Final answer
   x = 1,554,185.70