Finding the Third Proportional to 90,560 and 120,774

Step by Step Solution

1. Step 1: Write the proportion equation
   90,560 : 120,774 = 120,774 : x
2. Step 2: Convert to fraction form
   90,560/120,774 = 120,774/x
3. Step 3: Cross multiply
   90,560x = 120,774 × 120,774
4. Step 4: Simplify right side
   90,560x = 14,586,359,076
5. Step 5: Solve for x
   x = 14,586,359,076/90,560
6. Step 6: Final answer
   x = 161,068.45