Finding the Third Proportional to 1,429,616 and 3,143,542

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,616 : 3,143,542 = 3,143,542 : x
2. Step 2: Convert to fraction form
   1,429,616/3,143,542 = 3,143,542/x
3. Step 3: Cross multiply
   1,429,616x = 3,143,542 × 3,143,542
4. Step 4: Simplify right side
   1,429,616x = 9,881,856,305,764
5. Step 5: Solve for x
   x = 9,881,856,305,764/1,429,616
6. Step 6: Final answer
   x = 6,912,245.18