Finding the Third Proportional to 98,704.50 and 144,372

Step by Step Solution

1. Step 1: Write the proportion equation
   98,704.50 : 144,372 = 144,372 : x
2. Step 2: Convert to fraction form
   98,704.50/144,372 = 144,372/x
3. Step 3: Cross multiply
   98,704.50x = 144,372 × 144,372
4. Step 4: Simplify right side
   98,704.50x = 20,843,274,384
5. Step 5: Solve for x
   x = 20,843,274,384/98,704.50
6. Step 6: Final answer
   x = 211,168.43