Finding the Third Proportional to 425,731.50 and 654,569.25

Step by Step Solution

1. Step 1: Write the proportion equation
   425,731.50 : 654,569.25 = 654,569.25 : x
2. Step 2: Convert to fraction form
   425,731.50/654,569.25 = 654,569.25/x
3. Step 3: Cross multiply
   425,731.50x = 654,569.25 × 654,569.25
4. Step 4: Simplify right side
   425,731.50x = 428,460,903,045.56
5. Step 5: Solve for x
   x = 428,460,903,045.56/425,731.50
6. Step 6: Final answer
   x = 1,006,411.09