Finding the Third Proportional to 21,741.75 and 50,139

Step by Step Solution

1. Step 1: Write the proportion equation
   21,741.75 : 50,139 = 50,139 : x
2. Step 2: Convert to fraction form
   21,741.75/50,139 = 50,139/x
3. Step 3: Cross multiply
   21,741.75x = 50,139 × 50,139
4. Step 4: Simplify right side
   21,741.75x = 2,513,919,321
5. Step 5: Solve for x
   x = 2,513,919,321/21,741.75
6. Step 6: Final answer
   x = 115,626.36