Finding the Third Proportional to 20,293.50 and 31,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,293.50 : 31,210.50 = 31,210.50 : x
2. Step 2: Convert to fraction form
   20,293.50/31,210.50 = 31,210.50/x
3. Step 3: Cross multiply
   20,293.50x = 31,210.50 × 31,210.50
4. Step 4: Simplify right side
   20,293.50x = 974,095,310.25
5. Step 5: Solve for x
   x = 974,095,310.25/20,293.50
6. Step 6: Final answer
   x = 48,000.36