Finding the Third Proportional to 56,480.50 and 122,260

Step by Step Solution

1. Step 1: Write the proportion equation
   56,480.50 : 122,260 = 122,260 : x
2. Step 2: Convert to fraction form
   56,480.50/122,260 = 122,260/x
3. Step 3: Cross multiply
   56,480.50x = 122,260 × 122,260
4. Step 4: Simplify right side
   56,480.50x = 14,947,507,600
5. Step 5: Solve for x
   x = 14,947,507,600/56,480.50
6. Step 6: Final answer
   x = 264,649.00