Finding the Third Proportional to 65,626.55 and 143,132.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,626.55 : 143,132.10 = 143,132.10 : x
2. Step 2: Convert to fraction form
   65,626.55/143,132.10 = 143,132.10/x
3. Step 3: Cross multiply
   65,626.55x = 143,132.10 × 143,132.10
4. Step 4: Simplify right side
   65,626.55x = 20,486,798,637.48
5. Step 5: Solve for x
   x = 20,486,798,637.48/65,626.55
6. Step 6: Final answer
   x = 312,172.41