Finding the Third Proportional to 98,680.50 and 217,044

Step by Step Solution

1. Step 1: Write the proportion equation
   98,680.50 : 217,044 = 217,044 : x
2. Step 2: Convert to fraction form
   98,680.50/217,044 = 217,044/x
3. Step 3: Cross multiply
   98,680.50x = 217,044 × 217,044
4. Step 4: Simplify right side
   98,680.50x = 47,108,097,936
5. Step 5: Solve for x
   x = 47,108,097,936/98,680.50
6. Step 6: Final answer
   x = 477,380.01