Finding the Third Proportional to 16,000,586 and 25,418,055

Step by Step Solution

1. Step 1: Write the proportion equation
   16,000,586 : 25,418,055 = 25,418,055 : x
2. Step 2: Convert to fraction form
   16,000,586/25,418,055 = 25,418,055/x
3. Step 3: Cross multiply
   16,000,586x = 25,418,055 × 25,418,055
4. Step 4: Simplify right side
   16,000,586x = 646,077,519,983,025
5. Step 5: Solve for x
   x = 646,077,519,983,025/16,000,586
6. Step 6: Final answer
   x = 40,378,366.14