Finding the Third Proportional to 425,870 and 908,872

Step by Step Solution

1. Step 1: Write the proportion equation
   425,870 : 908,872 = 908,872 : x
2. Step 2: Convert to fraction form
   425,870/908,872 = 908,872/x
3. Step 3: Cross multiply
   425,870x = 908,872 × 908,872
4. Step 4: Simplify right side
   425,870x = 826,048,312,384
5. Step 5: Solve for x
   x = 826,048,312,384/425,870
6. Step 6: Final answer
   x = 1,939,672.46