Finding the Third Proportional to 20,503.13 and 31,179.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,503.13 : 31,179.94 = 31,179.94 : x
2. Step 2: Convert to fraction form
   20,503.13/31,179.94 = 31,179.94/x
3. Step 3: Cross multiply
   20,503.13x = 31,179.94 × 31,179.94
4. Step 4: Simplify right side
   20,503.13x = 972,188,502.50
5. Step 5: Solve for x
   x = 972,188,502.50/20,503.13
6. Step 6: Final answer
   x = 47,416.60