Finding the Third Proportional to 71,988 and 146,856

Step by Step Solution

1. Step 1: Write the proportion equation
   71,988 : 146,856 = 146,856 : x
2. Step 2: Convert to fraction form
   71,988/146,856 = 146,856/x
3. Step 3: Cross multiply
   71,988x = 146,856 × 146,856
4. Step 4: Simplify right side
   71,988x = 21,566,684,736
5. Step 5: Solve for x
   x = 21,566,684,736/71,988
6. Step 6: Final answer
   x = 299,587.22