Finding the Third Proportional to 3,438,000 and 7,158,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438,000 : 7,158,540 = 7,158,540 : x
2. Step 2: Convert to fraction form
   3,438,000/7,158,540 = 7,158,540/x
3. Step 3: Cross multiply
   3,438,000x = 7,158,540 × 7,158,540
4. Step 4: Simplify right side
   3,438,000x = 51,244,694,931,600
5. Step 5: Solve for x
   x = 51,244,694,931,600/3,438,000
6. Step 6: Final answer
   x = 14,905,379.56