Finding the Third Proportional to 20,725 and 31,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,725 : 31,284.50 = 31,284.50 : x
2. Step 2: Convert to fraction form
   20,725/31,284.50 = 31,284.50/x
3. Step 3: Cross multiply
   20,725x = 31,284.50 × 31,284.50
4. Step 4: Simplify right side
   20,725x = 978,719,940.25
5. Step 5: Solve for x
   x = 978,719,940.25/20,725
6. Step 6: Final answer
   x = 47,224.12