Finding the Third Proportional to 55,068 and 120,690

Step by Step Solution

1. Step 1: Write the proportion equation
   55,068 : 120,690 = 120,690 : x
2. Step 2: Convert to fraction form
   55,068/120,690 = 120,690/x
3. Step 3: Cross multiply
   55,068x = 120,690 × 120,690
4. Step 4: Simplify right side
   55,068x = 14,566,076,100
5. Step 5: Solve for x
   x = 14,566,076,100/55,068
6. Step 6: Final answer
   x = 264,510.72