Finding the Third Proportional to 12,981.75 and 20,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.75 : 20,341.50 = 20,341.50 : x
2. Step 2: Convert to fraction form
   12,981.75/20,341.50 = 20,341.50/x
3. Step 3: Cross multiply
   12,981.75x = 20,341.50 × 20,341.50
4. Step 4: Simplify right side
   12,981.75x = 413,776,622.25
5. Step 5: Solve for x
   x = 413,776,622.25/12,981.75
6. Step 6: Final answer
   x = 31,873.72