Finding the Third Proportional to 4,123,488 and 8,529,816

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,488 : 8,529,816 = 8,529,816 : x
2. Step 2: Convert to fraction form
   4,123,488/8,529,816 = 8,529,816/x
3. Step 3: Cross multiply
   4,123,488x = 8,529,816 × 8,529,816
4. Step 4: Simplify right side
   4,123,488x = 72,757,760,993,856
5. Step 5: Solve for x
   x = 72,757,760,993,856/4,123,488
6. Step 6: Final answer
   x = 17,644,712.68