Finding the Third Proportional to 20,412.25 and 31,225.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,412.25 : 31,225.88 = 31,225.88 : x
2. Step 2: Convert to fraction form
   20,412.25/31,225.88 = 31,225.88/x
3. Step 3: Cross multiply
   20,412.25x = 31,225.88 × 31,225.88
4. Step 4: Simplify right side
   20,412.25x = 975,055,269.52
5. Step 5: Solve for x
   x = 975,055,269.52/20,412.25
6. Step 6: Final answer
   x = 47,768.14