Finding the Third Proportional to 4,189,165 and 9,124,816

Step by Step Solution

1. Step 1: Write the proportion equation
   4,189,165 : 9,124,816 = 9,124,816 : x
2. Step 2: Convert to fraction form
   4,189,165/9,124,816 = 9,124,816/x
3. Step 3: Cross multiply
   4,189,165x = 9,124,816 × 9,124,816
4. Step 4: Simplify right side
   4,189,165x = 83,262,267,033,856
5. Step 5: Solve for x
   x = 83,262,267,033,856/4,189,165
6. Step 6: Final answer
   x = 19,875,623.67