Finding the Third Proportional to 13,026.19 and 20,182.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.19 : 20,182.88 = 20,182.88 : x
2. Step 2: Convert to fraction form
   13,026.19/20,182.88 = 20,182.88/x
3. Step 3: Cross multiply
   13,026.19x = 20,182.88 × 20,182.88
4. Step 4: Simplify right side
   13,026.19x = 407,348,443.27
5. Step 5: Solve for x
   x = 407,348,443.27/13,026.19
6. Step 6: Final answer
   x = 31,271.50