Finding the Third Proportional to 425,862 and 659,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   425,862 : 659,299.50 = 659,299.50 : x
2. Step 2: Convert to fraction form
   425,862/659,299.50 = 659,299.50/x
3. Step 3: Cross multiply
   425,862x = 659,299.50 × 659,299.50
4. Step 4: Simplify right side
   425,862x = 434,675,830,700.25
5. Step 5: Solve for x
   x = 434,675,830,700.25/425,862
6. Step 6: Final answer
   x = 1,020,696.45