Finding the Third Proportional to 58,538 and 126,931

Step by Step Solution

1. Step 1: Write the proportion equation
   58,538 : 126,931 = 126,931 : x
2. Step 2: Convert to fraction form
   58,538/126,931 = 126,931/x
3. Step 3: Cross multiply
   58,538x = 126,931 × 126,931
4. Step 4: Simplify right side
   58,538x = 16,111,478,761
5. Step 5: Solve for x
   x = 16,111,478,761/58,538
6. Step 6: Final answer
   x = 275,231.11