Finding the Third Proportional to 4,208,124 and 9,087,705

Step by Step Solution

1. Step 1: Write the proportion equation
   4,208,124 : 9,087,705 = 9,087,705 : x
2. Step 2: Convert to fraction form
   4,208,124/9,087,705 = 9,087,705/x
3. Step 3: Cross multiply
   4,208,124x = 9,087,705 × 9,087,705
4. Step 4: Simplify right side
   4,208,124x = 82,586,382,167,025
5. Step 5: Solve for x
   x = 82,586,382,167,025/4,208,124
6. Step 6: Final answer
   x = 19,625,463.07