Finding the Third Proportional to 13,127.70 and 20,881.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,127.70 : 20,881.86 = 20,881.86 : x
2. Step 2: Convert to fraction form
   13,127.70/20,881.86 = 20,881.86/x
3. Step 3: Cross multiply
   13,127.70x = 20,881.86 × 20,881.86
4. Step 4: Simplify right side
   13,127.70x = 436,052,214.10
5. Step 5: Solve for x
   x = 436,052,214.10/13,127.70
6. Step 6: Final answer
   x = 33,216.20