Finding the Third Proportional to 784,686.50 and 1,110,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   784,686.50 : 1,110,636.50 = 1,110,636.50 : x
2. Step 2: Convert to fraction form
   784,686.50/1,110,636.50 = 1,110,636.50/x
3. Step 3: Cross multiply
   784,686.50x = 1,110,636.50 × 1,110,636.50
4. Step 4: Simplify right side
   784,686.50x = 1,233,513,435,132.25
5. Step 5: Solve for x
   x = 1,233,513,435,132.25/784,686.50
6. Step 6: Final answer
   x = 1,571,982.49