Finding the Third Proportional to 65,086.03 and 142,656.19

Step by Step Solution

1. Step 1: Write the proportion equation
   65,086.03 : 142,656.19 = 142,656.19 : x
2. Step 2: Convert to fraction form
   65,086.03/142,656.19 = 142,656.19/x
3. Step 3: Cross multiply
   65,086.03x = 142,656.19 × 142,656.19
4. Step 4: Simplify right side
   65,086.03x = 20,350,787,832.04
5. Step 5: Solve for x
   x = 20,350,787,832.04/65,086.03
6. Step 6: Final answer
   x = 312,675.20