Finding the Third Proportional to 39,150 and 72,010

Step by Step Solution

1. Step 1: Write the proportion equation
   39,150 : 72,010 = 72,010 : x
2. Step 2: Convert to fraction form
   39,150/72,010 = 72,010/x
3. Step 3: Cross multiply
   39,150x = 72,010 × 72,010
4. Step 4: Simplify right side
   39,150x = 5,185,440,100
5. Step 5: Solve for x
   x = 5,185,440,100/39,150
6. Step 6: Final answer
   x = 132,450.58