Finding the Third Proportional to 55,222 and 120,260

Step by Step Solution

1. Step 1: Write the proportion equation
   55,222 : 120,260 = 120,260 : x
2. Step 2: Convert to fraction form
   55,222/120,260 = 120,260/x
3. Step 3: Cross multiply
   55,222x = 120,260 × 120,260
4. Step 4: Simplify right side
   55,222x = 14,462,467,600
5. Step 5: Solve for x
   x = 14,462,467,600/55,222
6. Step 6: Final answer
   x = 261,896.85