Finding the Third Proportional to 31,162 and 63,284

Step by Step Solution

1. Step 1: Write the proportion equation
   31,162 : 63,284 = 63,284 : x
2. Step 2: Convert to fraction form
   31,162/63,284 = 63,284/x
3. Step 3: Cross multiply
   31,162x = 63,284 × 63,284
4. Step 4: Simplify right side
   31,162x = 4,004,864,656
5. Step 5: Solve for x
   x = 4,004,864,656/31,162
6. Step 6: Final answer
   x = 128,517.57