Finding the Third Proportional to 381,818.50 and 862,650

Step by Step Solution

1. Step 1: Write the proportion equation
   381,818.50 : 862,650 = 862,650 : x
2. Step 2: Convert to fraction form
   381,818.50/862,650 = 862,650/x
3. Step 3: Cross multiply
   381,818.50x = 862,650 × 862,650
4. Step 4: Simplify right side
   381,818.50x = 744,165,022,500
5. Step 5: Solve for x
   x = 744,165,022,500/381,818.50
6. Step 6: Final answer
   x = 1,949,002.01