Finding the Third Proportional to 920,820 and 1,420,596

Step by Step Solution

1. Step 1: Write the proportion equation
   920,820 : 1,420,596 = 1,420,596 : x
2. Step 2: Convert to fraction form
   920,820/1,420,596 = 1,420,596/x
3. Step 3: Cross multiply
   920,820x = 1,420,596 × 1,420,596
4. Step 4: Simplify right side
   920,820x = 2,018,092,995,216
5. Step 5: Solve for x
   x = 2,018,092,995,216/920,820
6. Step 6: Final answer
   x = 2,191,625.94