Finding the Third Proportional to 12,953.50 and 20,002.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,953.50 : 20,002.88 = 20,002.88 : x
2. Step 2: Convert to fraction form
   12,953.50/20,002.88 = 20,002.88/x
3. Step 3: Cross multiply
   12,953.50x = 20,002.88 × 20,002.88
4. Step 4: Simplify right side
   12,953.50x = 400,115,008.27
5. Step 5: Solve for x
   x = 400,115,008.27/12,953.50
6. Step 6: Final answer
   x = 30,888.56