Finding the Third Proportional to 1,028,408 and 1,581,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,408 : 1,581,720 = 1,581,720 : x
2. Step 2: Convert to fraction form
   1,028,408/1,581,720 = 1,581,720/x
3. Step 3: Cross multiply
   1,028,408x = 1,581,720 × 1,581,720
4. Step 4: Simplify right side
   1,028,408x = 2,501,838,158,400
5. Step 5: Solve for x
   x = 2,501,838,158,400/1,028,408
6. Step 6: Final answer
   x = 2,432,729.19