Finding the Third Proportional to 25,442 and 45,416

Step by Step Solution

1. Step 1: Write the proportion equation
   25,442 : 45,416 = 45,416 : x
2. Step 2: Convert to fraction form
   25,442/45,416 = 45,416/x
3. Step 3: Cross multiply
   25,442x = 45,416 × 45,416
4. Step 4: Simplify right side
   25,442x = 2,062,613,056
5. Step 5: Solve for x
   x = 2,062,613,056/25,442
6. Step 6: Final answer
   x = 81,071.18