Finding the Third Proportional to 65,332.50 and 143,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,332.50 : 143,119.50 = 143,119.50 : x
2. Step 2: Convert to fraction form
   65,332.50/143,119.50 = 143,119.50/x
3. Step 3: Cross multiply
   65,332.50x = 143,119.50 × 143,119.50
4. Step 4: Simplify right side
   65,332.50x = 20,483,191,280.25
5. Step 5: Solve for x
   x = 20,483,191,280.25/65,332.50
6. Step 6: Final answer
   x = 313,522.23