Finding the Third Proportional to 12,012 and 26,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012 : 26,215.50 = 26,215.50 : x
2. Step 2: Convert to fraction form
   12,012/26,215.50 = 26,215.50/x
3. Step 3: Cross multiply
   12,012x = 26,215.50 × 26,215.50
4. Step 4: Simplify right side
   12,012x = 687,252,440.25
5. Step 5: Solve for x
   x = 687,252,440.25/12,012
6. Step 6: Final answer
   x = 57,213.82