Finding the Third Proportional to 65,940.75 and 142,148.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,940.75 : 142,148.25 = 142,148.25 : x
2. Step 2: Convert to fraction form
   65,940.75/142,148.25 = 142,148.25/x
3. Step 3: Cross multiply
   65,940.75x = 142,148.25 × 142,148.25
4. Step 4: Simplify right side
   65,940.75x = 20,206,124,978.06
5. Step 5: Solve for x
   x = 20,206,124,978.06/65,940.75
6. Step 6: Final answer
   x = 306,428.50