Finding the Third Proportional to 65,884.50 and 144,315

Step by Step Solution

1. Step 1: Write the proportion equation
   65,884.50 : 144,315 = 144,315 : x
2. Step 2: Convert to fraction form
   65,884.50/144,315 = 144,315/x
3. Step 3: Cross multiply
   65,884.50x = 144,315 × 144,315
4. Step 4: Simplify right side
   65,884.50x = 20,826,819,225
5. Step 5: Solve for x
   x = 20,826,819,225/65,884.50
6. Step 6: Final answer
   x = 316,111.06