Finding the Third Proportional to 12,183,782 and 16,172,870

Step by Step Solution

1. Step 1: Write the proportion equation
   12,183,782 : 16,172,870 = 16,172,870 : x
2. Step 2: Convert to fraction form
   12,183,782/16,172,870 = 16,172,870/x
3. Step 3: Cross multiply
   12,183,782x = 16,172,870 × 16,172,870
4. Step 4: Simplify right side
   12,183,782x = 261,561,724,036,900
5. Step 5: Solve for x
   x = 261,561,724,036,900/12,183,782
6. Step 6: Final answer
   x = 21,468,023.97