Finding the Third Proportional to 1,335,642 and 3,149,727

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,642 : 3,149,727 = 3,149,727 : x
2. Step 2: Convert to fraction form
   1,335,642/3,149,727 = 3,149,727/x
3. Step 3: Cross multiply
   1,335,642x = 3,149,727 × 3,149,727
4. Step 4: Simplify right side
   1,335,642x = 9,920,780,174,529
5. Step 5: Solve for x
   x = 9,920,780,174,529/1,335,642
6. Step 6: Final answer
   x = 7,427,724.03