Finding the Third Proportional to 12,929.63 and 20,023.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.63 : 20,023.88 = 20,023.88 : x
2. Step 2: Convert to fraction form
   12,929.63/20,023.88 = 20,023.88/x
3. Step 3: Cross multiply
   12,929.63x = 20,023.88 × 20,023.88
4. Step 4: Simplify right side
   12,929.63x = 400,955,570.02
5. Step 5: Solve for x
   x = 400,955,570.02/12,929.63
6. Step 6: Final answer
   x = 31,010.61