Finding the Third Proportional to 3,239,400 and 7,499,418

Step by Step Solution

1. Step 1: Write the proportion equation
   3,239,400 : 7,499,418 = 7,499,418 : x
2. Step 2: Convert to fraction form
   3,239,400/7,499,418 = 7,499,418/x
3. Step 3: Cross multiply
   3,239,400x = 7,499,418 × 7,499,418
4. Step 4: Simplify right side
   3,239,400x = 56,241,270,338,724
5. Step 5: Solve for x
   x = 56,241,270,338,724/3,239,400
6. Step 6: Final answer
   x = 17,361,631.89