Finding the Third Proportional to 31,169 and 50,138

Step by Step Solution

1. Step 1: Write the proportion equation
   31,169 : 50,138 = 50,138 : x
2. Step 2: Convert to fraction form
   31,169/50,138 = 50,138/x
3. Step 3: Cross multiply
   31,169x = 50,138 × 50,138
4. Step 4: Simplify right side
   31,169x = 2,513,819,044
5. Step 5: Solve for x
   x = 2,513,819,044/31,169
6. Step 6: Final answer
   x = 80,651.26