Finding the Third Proportional to 3,386,666 and 7,245,400

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386,666 : 7,245,400 = 7,245,400 : x
2. Step 2: Convert to fraction form
   3,386,666/7,245,400 = 7,245,400/x
3. Step 3: Cross multiply
   3,386,666x = 7,245,400 × 7,245,400
4. Step 4: Simplify right side
   3,386,666x = 52,495,821,160,000
5. Step 5: Solve for x
   x = 52,495,821,160,000/3,386,666
6. Step 6: Final answer
   x = 15,500,737.65