Finding the Third Proportional to 98,688.38 and 144,034.45

Step by Step Solution

1. Step 1: Write the proportion equation
   98,688.38 : 144,034.45 = 144,034.45 : x
2. Step 2: Convert to fraction form
   98,688.38/144,034.45 = 144,034.45/x
3. Step 3: Cross multiply
   98,688.38x = 144,034.45 × 144,034.45
4. Step 4: Simplify right side
   98,688.38x = 20,745,923,687.02
5. Step 5: Solve for x
   x = 20,745,923,687.02/98,688.38
6. Step 6: Final answer
   x = 210,216.49