Finding the Third Proportional to 12,231 and 26,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,231 : 26,851.50 = 26,851.50 : x
2. Step 2: Convert to fraction form
   12,231/26,851.50 = 26,851.50/x
3. Step 3: Cross multiply
   12,231x = 26,851.50 × 26,851.50
4. Step 4: Simplify right side
   12,231x = 721,003,052.25
5. Step 5: Solve for x
   x = 721,003,052.25/12,231
6. Step 6: Final answer
   x = 58,948.82