Finding the Third Proportional to 69,290 and 111,586

Step by Step Solution

1. Step 1: Write the proportion equation
   69,290 : 111,586 = 111,586 : x
2. Step 2: Convert to fraction form
   69,290/111,586 = 111,586/x
3. Step 3: Cross multiply
   69,290x = 111,586 × 111,586
4. Step 4: Simplify right side
   69,290x = 12,451,435,396
5. Step 5: Solve for x
   x = 12,451,435,396/69,290
6. Step 6: Final answer
   x = 179,700.32