Finding the Third Proportional to 425,143.69 and 898,264.69

Step by Step Solution

1. Step 1: Write the proportion equation
   425,143.69 : 898,264.69 = 898,264.69 : x
2. Step 2: Convert to fraction form
   425,143.69/898,264.69 = 898,264.69/x
3. Step 3: Cross multiply
   425,143.69x = 898,264.69 × 898,264.69
4. Step 4: Simplify right side
   425,143.69x = 806,879,448,809.47
5. Step 5: Solve for x
   x = 806,879,448,809.47/425,143.69
6. Step 6: Final answer
   x = 1,897,898.22