Finding the Third Proportional to 20,452.50 and 31,272.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,452.50 : 31,272.75 = 31,272.75 : x
2. Step 2: Convert to fraction form
   20,452.50/31,272.75 = 31,272.75/x
3. Step 3: Cross multiply
   20,452.50x = 31,272.75 × 31,272.75
4. Step 4: Simplify right side
   20,452.50x = 977,984,892.56
5. Step 5: Solve for x
   x = 977,984,892.56/20,452.50
6. Step 6: Final answer
   x = 47,817.38