Finding the Third Proportional to 70,515 and 109,238

Step by Step Solution

1. Step 1: Write the proportion equation
   70,515 : 109,238 = 109,238 : x
2. Step 2: Convert to fraction form
   70,515/109,238 = 109,238/x
3. Step 3: Cross multiply
   70,515x = 109,238 × 109,238
4. Step 4: Simplify right side
   70,515x = 11,932,940,644
5. Step 5: Solve for x
   x = 11,932,940,644/70,515
6. Step 6: Final answer
   x = 169,225.56