Finding the Third Proportional to 50,748 and 72,130

Step by Step Solution

1. Step 1: Write the proportion equation
   50,748 : 72,130 = 72,130 : x
2. Step 2: Convert to fraction form
   50,748/72,130 = 72,130/x
3. Step 3: Cross multiply
   50,748x = 72,130 × 72,130
4. Step 4: Simplify right side
   50,748x = 5,202,736,900
5. Step 5: Solve for x
   x = 5,202,736,900/50,748
6. Step 6: Final answer
   x = 102,521.02