Finding the Third Proportional to 50,718 and 67,313

Step by Step Solution

1. Step 1: Write the proportion equation
   50,718 : 67,313 = 67,313 : x
2. Step 2: Convert to fraction form
   50,718/67,313 = 67,313/x
3. Step 3: Cross multiply
   50,718x = 67,313 × 67,313
4. Step 4: Simplify right side
   50,718x = 4,531,039,969
5. Step 5: Solve for x
   x = 4,531,039,969/50,718
6. Step 6: Final answer
   x = 89,337.91