Finding the Third Proportional to 23,189,904 and 31,491,288

Step by Step Solution

1. Step 1: Write the proportion equation
   23,189,904 : 31,491,288 = 31,491,288 : x
2. Step 2: Convert to fraction form
   23,189,904/31,491,288 = 31,491,288/x
3. Step 3: Cross multiply
   23,189,904x = 31,491,288 × 31,491,288
4. Step 4: Simplify right side
   23,189,904x = 991,701,219,898,944
5. Step 5: Solve for x
   x = 991,701,219,898,944/23,189,904
6. Step 6: Final answer
   x = 42,764,352.10