Finding the Third Proportional to 65,632.50 and 143,144

Step by Step Solution

1. Step 1: Write the proportion equation
   65,632.50 : 143,144 = 143,144 : x
2. Step 2: Convert to fraction form
   65,632.50/143,144 = 143,144/x
3. Step 3: Cross multiply
   65,632.50x = 143,144 × 143,144
4. Step 4: Simplify right side
   65,632.50x = 20,490,204,736
5. Step 5: Solve for x
   x = 20,490,204,736/65,632.50
6. Step 6: Final answer
   x = 312,196.01