Finding the Third Proportional to 2,605,956 and 3,986,432

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,956 : 3,986,432 = 3,986,432 : x
2. Step 2: Convert to fraction form
   2,605,956/3,986,432 = 3,986,432/x
3. Step 3: Cross multiply
   2,605,956x = 3,986,432 × 3,986,432
4. Step 4: Simplify right side
   2,605,956x = 15,891,640,090,624
5. Step 5: Solve for x
   x = 15,891,640,090,624/2,605,956
6. Step 6: Final answer
   x = 6,098,199.70