Finding the Third Proportional to 31,284 and 45,612

Step by Step Solution

1. Step 1: Write the proportion equation
   31,284 : 45,612 = 45,612 : x
2. Step 2: Convert to fraction form
   31,284/45,612 = 45,612/x
3. Step 3: Cross multiply
   31,284x = 45,612 × 45,612
4. Step 4: Simplify right side
   31,284x = 2,080,454,544
5. Step 5: Solve for x
   x = 2,080,454,544/31,284
6. Step 6: Final answer
   x = 66,502.19