Finding the Third Proportional to 5,304,120 and 8,157,540

Step by Step Solution

1. Step 1: Write the proportion equation
   5,304,120 : 8,157,540 = 8,157,540 : x
2. Step 2: Convert to fraction form
   5,304,120/8,157,540 = 8,157,540/x
3. Step 3: Cross multiply
   5,304,120x = 8,157,540 × 8,157,540
4. Step 4: Simplify right side
   5,304,120x = 66,545,458,851,600
5. Step 5: Solve for x
   x = 66,545,458,851,600/5,304,120
6. Step 6: Final answer
   x = 12,545,994.22