Finding the Third Proportional to 70,543 and 109,274

Step by Step Solution

1. Step 1: Write the proportion equation
   70,543 : 109,274 = 109,274 : x
2. Step 2: Convert to fraction form
   70,543/109,274 = 109,274/x
3. Step 3: Cross multiply
   70,543x = 109,274 × 109,274
4. Step 4: Simplify right side
   70,543x = 11,940,807,076
5. Step 5: Solve for x
   x = 11,940,807,076/70,543
6. Step 6: Final answer
   x = 169,269.91