Finding the Third Proportional to 65,167.75 and 142,791

Step by Step Solution

1. Step 1: Write the proportion equation
   65,167.75 : 142,791 = 142,791 : x
2. Step 2: Convert to fraction form
   65,167.75/142,791 = 142,791/x
3. Step 3: Cross multiply
   65,167.75x = 142,791 × 142,791
4. Step 4: Simplify right side
   65,167.75x = 20,389,269,681
5. Step 5: Solve for x
   x = 20,389,269,681/65,167.75
6. Step 6: Final answer
   x = 312,873.62