Finding the Third Proportional to 866,861 and 1,150,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   866,861 : 1,150,231.50 = 1,150,231.50 : x
2. Step 2: Convert to fraction form
   866,861/1,150,231.50 = 1,150,231.50/x
3. Step 3: Cross multiply
   866,861x = 1,150,231.50 × 1,150,231.50
4. Step 4: Simplify right side
   866,861x = 1,323,032,503,592.25
5. Step 5: Solve for x
   x = 1,323,032,503,592.25/866,861
6. Step 6: Final answer
   x = 1,526,233.74