Finding the Third Proportional to 5,402,132 and 8,240,400

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402,132 : 8,240,400 = 8,240,400 : x
2. Step 2: Convert to fraction form
   5,402,132/8,240,400 = 8,240,400/x
3. Step 3: Cross multiply
   5,402,132x = 8,240,400 × 8,240,400
4. Step 4: Simplify right side
   5,402,132x = 67,904,192,160,000
5. Step 5: Solve for x
   x = 67,904,192,160,000/5,402,132
6. Step 6: Final answer
   x = 12,569,887.62