Finding the Third Proportional to 20,266.88 and 30,319.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,266.88 : 30,319.31 = 30,319.31 : x
2. Step 2: Convert to fraction form
   20,266.88/30,319.31 = 30,319.31/x
3. Step 3: Cross multiply
   20,266.88x = 30,319.31 × 30,319.31
4. Step 4: Simplify right side
   20,266.88x = 919,260,710.47
5. Step 5: Solve for x
   x = 919,260,710.47/20,266.88
6. Step 6: Final answer
   x = 45,357.79