Finding the Third Proportional to 866,854.50 and 1,150,218

Step by Step Solution

1. Step 1: Write the proportion equation
   866,854.50 : 1,150,218 = 1,150,218 : x
2. Step 2: Convert to fraction form
   866,854.50/1,150,218 = 1,150,218/x
3. Step 3: Cross multiply
   866,854.50x = 1,150,218 × 1,150,218
4. Step 4: Simplify right side
   866,854.50x = 1,323,001,447,524
5. Step 5: Solve for x
   x = 1,323,001,447,524/866,854.50
6. Step 6: Final answer
   x = 1,526,209.36