Finding the Third Proportional to 40,862 and 56,268

Step by Step Solution

1. Step 1: Write the proportion equation
   40,862 : 56,268 = 56,268 : x
2. Step 2: Convert to fraction form
   40,862/56,268 = 56,268/x
3. Step 3: Cross multiply
   40,862x = 56,268 × 56,268
4. Step 4: Simplify right side
   40,862x = 3,166,087,824
5. Step 5: Solve for x
   x = 3,166,087,824/40,862
6. Step 6: Final answer
   x = 77,482.45