Finding the Third Proportional to 1,251,516 and 2,561,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,516 : 2,561,352 = 2,561,352 : x
2. Step 2: Convert to fraction form
   1,251,516/2,561,352 = 2,561,352/x
3. Step 3: Cross multiply
   1,251,516x = 2,561,352 × 2,561,352
4. Step 4: Simplify right side
   1,251,516x = 6,560,524,067,904
5. Step 5: Solve for x
   x = 6,560,524,067,904/1,251,516
6. Step 6: Final answer
   x = 5,242,061.68