Finding the Third Proportional to 1,335,571 and 3,149,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,571 : 3,149,572 = 3,149,572 : x
2. Step 2: Convert to fraction form
   1,335,571/3,149,572 = 3,149,572/x
3. Step 3: Cross multiply
   1,335,571x = 3,149,572 × 3,149,572
4. Step 4: Simplify right side
   1,335,571x = 9,919,803,783,184
5. Step 5: Solve for x
   x = 9,919,803,783,184/1,335,571
6. Step 6: Final answer
   x = 7,427,387.82