Finding the Third Proportional to 25,388 and 31,148

Step by Step Solution

1. Step 1: Write the proportion equation
   25,388 : 31,148 = 31,148 : x
2. Step 2: Convert to fraction form
   25,388/31,148 = 31,148/x
3. Step 3: Cross multiply
   25,388x = 31,148 × 31,148
4. Step 4: Simplify right side
   25,388x = 970,197,904
5. Step 5: Solve for x
   x = 970,197,904/25,388
6. Step 6: Final answer
   x = 38,214.82