Finding the Third Proportional to 3,734,124 and 8,143,992

Step by Step Solution

1. Step 1: Write the proportion equation
   3,734,124 : 8,143,992 = 8,143,992 : x
2. Step 2: Convert to fraction form
   3,734,124/8,143,992 = 8,143,992/x
3. Step 3: Cross multiply
   3,734,124x = 8,143,992 × 8,143,992
4. Step 4: Simplify right side
   3,734,124x = 66,324,605,696,064
5. Step 5: Solve for x
   x = 66,324,605,696,064/3,734,124
6. Step 6: Final answer
   x = 17,761,757.70