Finding the Third Proportional to 12,158 and 25,158

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158 : 25,158 = 25,158 : x
2. Step 2: Convert to fraction form
   12,158/25,158 = 25,158/x
3. Step 3: Cross multiply
   12,158x = 25,158 × 25,158
4. Step 4: Simplify right side
   12,158x = 632,924,964
5. Step 5: Solve for x
   x = 632,924,964/12,158
6. Step 6: Final answer
   x = 52,058.31