Finding the Third Proportional to 20,347.13 and 30,499.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,347.13 : 30,499.88 = 30,499.88 : x
2. Step 2: Convert to fraction form
   20,347.13/30,499.88 = 30,499.88/x
3. Step 3: Cross multiply
   20,347.13x = 30,499.88 × 30,499.88
4. Step 4: Simplify right side
   20,347.13x = 930,242,375.02
5. Step 5: Solve for x
   x = 930,242,375.02/20,347.13
6. Step 6: Final answer
   x = 45,718.62