Finding the Third Proportional to 46,656 and 67,986

Step by Step Solution

1. Step 1: Write the proportion equation
   46,656 : 67,986 = 67,986 : x
2. Step 2: Convert to fraction form
   46,656/67,986 = 67,986/x
3. Step 3: Cross multiply
   46,656x = 67,986 × 67,986
4. Step 4: Simplify right side
   46,656x = 4,622,096,196
5. Step 5: Solve for x
   x = 4,622,096,196/46,656
6. Step 6: Final answer
   x = 99,067.56