Finding the Third Proportional to 96,628.78 and 144,498.94

Step by Step Solution

1. Step 1: Write the proportion equation
   96,628.78 : 144,498.94 = 144,498.94 : x
2. Step 2: Convert to fraction form
   96,628.78/144,498.94 = 144,498.94/x
3. Step 3: Cross multiply
   96,628.78x = 144,498.94 × 144,498.94
4. Step 4: Simplify right side
   96,628.78x = 20,879,942,938.63
5. Step 5: Solve for x
   x = 20,879,942,938.63/96,628.78
6. Step 6: Final answer
   x = 216,084.10