Finding the Third Proportional to 68,076 and 90,738

Step by Step Solution

1. Step 1: Write the proportion equation
   68,076 : 90,738 = 90,738 : x
2. Step 2: Convert to fraction form
   68,076/90,738 = 90,738/x
3. Step 3: Cross multiply
   68,076x = 90,738 × 90,738
4. Step 4: Simplify right side
   68,076x = 8,233,384,644
5. Step 5: Solve for x
   x = 8,233,384,644/68,076
6. Step 6: Final answer
   x = 120,944.01