Finding the Third Proportional to 146,808 and 209,988

Step by Step Solution

1. Step 1: Write the proportion equation
   146,808 : 209,988 = 209,988 : x
2. Step 2: Convert to fraction form
   146,808/209,988 = 209,988/x
3. Step 3: Cross multiply
   146,808x = 209,988 × 209,988
4. Step 4: Simplify right side
   146,808x = 44,094,960,144
5. Step 5: Solve for x
   x = 44,094,960,144/146,808
6. Step 6: Final answer
   x = 300,358.02