Finding the Third Proportional to 111,432 and 161,000

Step by Step Solution

1. Step 1: Write the proportion equation
   111,432 : 161,000 = 161,000 : x
2. Step 2: Convert to fraction form
   111,432/161,000 = 161,000/x
3. Step 3: Cross multiply
   111,432x = 161,000 × 161,000
4. Step 4: Simplify right side
   111,432x = 25,921,000,000
5. Step 5: Solve for x
   x = 25,921,000,000/111,432
6. Step 6: Final answer
   x = 232,617.20