Finding the Third Proportional to 425,846 and 921,820

Step by Step Solution

1. Step 1: Write the proportion equation
   425,846 : 921,820 = 921,820 : x
2. Step 2: Convert to fraction form
   425,846/921,820 = 921,820/x
3. Step 3: Cross multiply
   425,846x = 921,820 × 921,820
4. Step 4: Simplify right side
   425,846x = 849,752,112,400
5. Step 5: Solve for x
   x = 849,752,112,400/425,846
6. Step 6: Final answer
   x = 1,995,444.63