Finding the Third Proportional to 3,542,280 and 7,336,612

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,280 : 7,336,612 = 7,336,612 : x
2. Step 2: Convert to fraction form
   3,542,280/7,336,612 = 7,336,612/x
3. Step 3: Cross multiply
   3,542,280x = 7,336,612 × 7,336,612
4. Step 4: Simplify right side
   3,542,280x = 53,825,875,638,544
5. Step 5: Solve for x
   x = 53,825,875,638,544/3,542,280
6. Step 6: Final answer
   x = 15,195,262.84