Finding the Third Proportional to 9,908,543 and 16,398,858

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908,543 : 16,398,858 = 16,398,858 : x
2. Step 2: Convert to fraction form
   9,908,543/16,398,858 = 16,398,858/x
3. Step 3: Cross multiply
   9,908,543x = 16,398,858 × 16,398,858
4. Step 4: Simplify right side
   9,908,543x = 268,922,543,704,164
5. Step 5: Solve for x
   x = 268,922,543,704,164/9,908,543
6. Step 6: Final answer
   x = 27,140,472.99