Finding the Third Proportional to 555,747 and 861,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   555,747 : 861,076.50 = 861,076.50 : x
2. Step 2: Convert to fraction form
   555,747/861,076.50 = 861,076.50/x
3. Step 3: Cross multiply
   555,747x = 861,076.50 × 861,076.50
4. Step 4: Simplify right side
   555,747x = 741,452,738,852.25
5. Step 5: Solve for x
   x = 741,452,738,852.25/555,747
6. Step 6: Final answer
   x = 1,334,155.18