Finding the Third Proportional to 34,215.75 and 50,139

Step by Step Solution

1. Step 1: Write the proportion equation
   34,215.75 : 50,139 = 50,139 : x
2. Step 2: Convert to fraction form
   34,215.75/50,139 = 50,139/x
3. Step 3: Cross multiply
   34,215.75x = 50,139 × 50,139
4. Step 4: Simplify right side
   34,215.75x = 2,513,919,321
5. Step 5: Solve for x
   x = 2,513,919,321/34,215.75
6. Step 6: Final answer
   x = 73,472.58