Finding the Third Proportional to 3,391,536 and 7,187,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,391,536 : 7,187,424 = 7,187,424 : x
2. Step 2: Convert to fraction form
   3,391,536/7,187,424 = 7,187,424/x
3. Step 3: Cross multiply
   3,391,536x = 7,187,424 × 7,187,424
4. Step 4: Simplify right side
   3,391,536x = 51,659,063,755,776
5. Step 5: Solve for x
   x = 51,659,063,755,776/3,391,536
6. Step 6: Final answer
   x = 15,231,760.40