Finding the Third Proportional to 31,308 and 40,644

Step by Step Solution

1. Step 1: Write the proportion equation
   31,308 : 40,644 = 40,644 : x
2. Step 2: Convert to fraction form
   31,308/40,644 = 40,644/x
3. Step 3: Cross multiply
   31,308x = 40,644 × 40,644
4. Step 4: Simplify right side
   31,308x = 1,651,934,736
5. Step 5: Solve for x
   x = 1,651,934,736/31,308
6. Step 6: Final answer
   x = 52,763.98