Finding the Third Proportional to 12,230 and 25,417

Step by Step Solution

1. Step 1: Write the proportion equation
   12,230 : 25,417 = 25,417 : x
2. Step 2: Convert to fraction form
   12,230/25,417 = 25,417/x
3. Step 3: Cross multiply
   12,230x = 25,417 × 25,417
4. Step 4: Simplify right side
   12,230x = 646,023,889
5. Step 5: Solve for x
   x = 646,023,889/12,230
6. Step 6: Final answer
   x = 52,822.89