Finding the Third Proportional to 73,258 and 111,289

Step by Step Solution

1. Step 1: Write the proportion equation
   73,258 : 111,289 = 111,289 : x
2. Step 2: Convert to fraction form
   73,258/111,289 = 111,289/x
3. Step 3: Cross multiply
   73,258x = 111,289 × 111,289
4. Step 4: Simplify right side
   73,258x = 12,385,241,521
5. Step 5: Solve for x
   x = 12,385,241,521/73,258
6. Step 6: Final answer
   x = 169,063.33