Finding the Third Proportional to 677,318.06 and 928,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   677,318.06 : 928,789.88 = 928,789.88 : x
2. Step 2: Convert to fraction form
   677,318.06/928,789.88 = 928,789.88/x
3. Step 3: Cross multiply
   677,318.06x = 928,789.88 × 928,789.88
4. Step 4: Simplify right side
   677,318.06x = 862,650,631,902.52
5. Step 5: Solve for x
   x = 862,650,631,902.52/677,318.06
6. Step 6: Final answer
   x = 1,273,627.09