Finding the Third Proportional to 20,791 and 31,154

Step by Step Solution

1. Step 1: Write the proportion equation
   20,791 : 31,154 = 31,154 : x
2. Step 2: Convert to fraction form
   20,791/31,154 = 31,154/x
3. Step 3: Cross multiply
   20,791x = 31,154 × 31,154
4. Step 4: Simplify right side
   20,791x = 970,571,716
5. Step 5: Solve for x
   x = 970,571,716/20,791
6. Step 6: Final answer
   x = 46,682.30