Finding the Third Proportional to 10,661,434 and 16,377,131

Step by Step Solution

1. Step 1: Write the proportion equation
   10,661,434 : 16,377,131 = 16,377,131 : x
2. Step 2: Convert to fraction form
   10,661,434/16,377,131 = 16,377,131/x
3. Step 3: Cross multiply
   10,661,434x = 16,377,131 × 16,377,131
4. Step 4: Simplify right side
   10,661,434x = 268,210,419,791,161
5. Step 5: Solve for x
   x = 268,210,419,791,161/10,661,434
6. Step 6: Final answer
   x = 25,157,067.97