Finding the Third Proportional to 1,229,432 and 2,519,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229,432 : 2,519,560 = 2,519,560 : x
2. Step 2: Convert to fraction form
   1,229,432/2,519,560 = 2,519,560/x
3. Step 3: Cross multiply
   1,229,432x = 2,519,560 × 2,519,560
4. Step 4: Simplify right side
   1,229,432x = 6,348,182,593,600
5. Step 5: Solve for x
   x = 6,348,182,593,600/1,229,432
6. Step 6: Final answer
   x = 5,163,508.51