Finding the Third Proportional to 67,365 and 143,878

Step by Step Solution

1. Step 1: Write the proportion equation
   67,365 : 143,878 = 143,878 : x
2. Step 2: Convert to fraction form
   67,365/143,878 = 143,878/x
3. Step 3: Cross multiply
   67,365x = 143,878 × 143,878
4. Step 4: Simplify right side
   67,365x = 20,700,878,884
5. Step 5: Solve for x
   x = 20,700,878,884/67,365
6. Step 6: Final answer
   x = 307,294.28