Finding the Third Proportional to 67,073 and 90,768

Step by Step Solution

1. Step 1: Write the proportion equation
   67,073 : 90,768 = 90,768 : x
2. Step 2: Convert to fraction form
   67,073/90,768 = 90,768/x
3. Step 3: Cross multiply
   67,073x = 90,768 × 90,768
4. Step 4: Simplify right side
   67,073x = 8,238,829,824
5. Step 5: Solve for x
   x = 8,238,829,824/67,073
6. Step 6: Final answer
   x = 122,833.78