Finding the Third Proportional to 91,296 and 140,268

Step by Step Solution

1. Step 1: Write the proportion equation
   91,296 : 140,268 = 140,268 : x
2. Step 2: Convert to fraction form
   91,296/140,268 = 140,268/x
3. Step 3: Cross multiply
   91,296x = 140,268 × 140,268
4. Step 4: Simplify right side
   91,296x = 19,675,111,824
5. Step 5: Solve for x
   x = 19,675,111,824/91,296
6. Step 6: Final answer
   x = 215,509.02