Finding the Third Proportional to 65,055 and 142,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,055 : 142,015.50 = 142,015.50 : x
2. Step 2: Convert to fraction form
   65,055/142,015.50 = 142,015.50/x
3. Step 3: Cross multiply
   65,055x = 142,015.50 × 142,015.50
4. Step 4: Simplify right side
   65,055x = 20,168,402,240.25
5. Step 5: Solve for x
   x = 20,168,402,240.25/65,055
6. Step 6: Final answer
   x = 310,020.79