Finding the Third Proportional to 1,144,650 and 2,486,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,650 : 2,486,128 = 2,486,128 : x
2. Step 2: Convert to fraction form
   1,144,650/2,486,128 = 2,486,128/x
3. Step 3: Cross multiply
   1,144,650x = 2,486,128 × 2,486,128
4. Step 4: Simplify right side
   1,144,650x = 6,180,832,432,384
5. Step 5: Solve for x
   x = 6,180,832,432,384/1,144,650
6. Step 6: Final answer
   x = 5,399,757.51