Finding the Third Proportional to 34,107 and 72,270

Step by Step Solution

1. Step 1: Write the proportion equation
   34,107 : 72,270 = 72,270 : x
2. Step 2: Convert to fraction form
   34,107/72,270 = 72,270/x
3. Step 3: Cross multiply
   34,107x = 72,270 × 72,270
4. Step 4: Simplify right side
   34,107x = 5,222,952,900
5. Step 5: Solve for x
   x = 5,222,952,900/34,107
6. Step 6: Final answer
   x = 153,134.34