Finding the Third Proportional to 521,649 and 1,142,928

Step by Step Solution

1. Step 1: Write the proportion equation
   521,649 : 1,142,928 = 1,142,928 : x
2. Step 2: Convert to fraction form
   521,649/1,142,928 = 1,142,928/x
3. Step 3: Cross multiply
   521,649x = 1,142,928 × 1,142,928
4. Step 4: Simplify right side
   521,649x = 1,306,284,413,184
5. Step 5: Solve for x
   x = 1,306,284,413,184/521,649
6. Step 6: Final answer
   x = 2,504,144.38