Finding the Third Proportional to 12,400 and 18,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,400 : 18,052.50 = 18,052.50 : x
2. Step 2: Convert to fraction form
   12,400/18,052.50 = 18,052.50/x
3. Step 3: Cross multiply
   12,400x = 18,052.50 × 18,052.50
4. Step 4: Simplify right side
   12,400x = 325,892,756.25
5. Step 5: Solve for x
   x = 325,892,756.25/12,400
6. Step 6: Final answer
   x = 26,281.67