Finding the Third Proportional to 20,594 and 31,915

Step by Step Solution

1. Step 1: Write the proportion equation
   20,594 : 31,915 = 31,915 : x
2. Step 2: Convert to fraction form
   20,594/31,915 = 31,915/x
3. Step 3: Cross multiply
   20,594x = 31,915 × 31,915
4. Step 4: Simplify right side
   20,594x = 1,018,567,225
5. Step 5: Solve for x
   x = 1,018,567,225/20,594
6. Step 6: Final answer
   x = 49,459.42