Finding the Third Proportional to 4,113,040 and 8,912,536

Step by Step Solution

1. Step 1: Write the proportion equation
   4,113,040 : 8,912,536 = 8,912,536 : x
2. Step 2: Convert to fraction form
   4,113,040/8,912,536 = 8,912,536/x
3. Step 3: Cross multiply
   4,113,040x = 8,912,536 × 8,912,536
4. Step 4: Simplify right side
   4,113,040x = 79,433,297,951,296
5. Step 5: Solve for x
   x = 79,433,297,951,296/4,113,040
6. Step 6: Final answer
   x = 19,312,551.77