Finding the Third Proportional to 98,440.50 and 147,630

Step by Step Solution

1. Step 1: Write the proportion equation
   98,440.50 : 147,630 = 147,630 : x
2. Step 2: Convert to fraction form
   98,440.50/147,630 = 147,630/x
3. Step 3: Cross multiply
   98,440.50x = 147,630 × 147,630
4. Step 4: Simplify right side
   98,440.50x = 21,794,616,900
5. Step 5: Solve for x
   x = 21,794,616,900/98,440.50
6. Step 6: Final answer
   x = 221,398.88