Finding the Third Proportional to 650,149.50 and 862,680

Step by Step Solution

1. Step 1: Write the proportion equation
   650,149.50 : 862,680 = 862,680 : x
2. Step 2: Convert to fraction form
   650,149.50/862,680 = 862,680/x
3. Step 3: Cross multiply
   650,149.50x = 862,680 × 862,680
4. Step 4: Simplify right side
   650,149.50x = 744,216,782,400
5. Step 5: Solve for x
   x = 744,216,782,400/650,149.50
6. Step 6: Final answer
   x = 1,144,685.62