Finding the Third Proportional to 70,892 and 109,688

Step by Step Solution

1. Step 1: Write the proportion equation
   70,892 : 109,688 = 109,688 : x
2. Step 2: Convert to fraction form
   70,892/109,688 = 109,688/x
3. Step 3: Cross multiply
   70,892x = 109,688 × 109,688
4. Step 4: Simplify right side
   70,892x = 12,031,457,344
5. Step 5: Solve for x
   x = 12,031,457,344/70,892
6. Step 6: Final answer
   x = 169,715.30