Finding the Third Proportional to 4,113,042 and 8,912,540

Step by Step Solution

1. Step 1: Write the proportion equation
   4,113,042 : 8,912,540 = 8,912,540 : x
2. Step 2: Convert to fraction form
   4,113,042/8,912,540 = 8,912,540/x
3. Step 3: Cross multiply
   4,113,042x = 8,912,540 × 8,912,540
4. Step 4: Simplify right side
   4,113,042x = 79,433,369,251,600
5. Step 5: Solve for x
   x = 79,433,369,251,600/4,113,042
6. Step 6: Final answer
   x = 19,312,559.72