Finding the Third Proportional to 122,196.38 and 255,566.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,196.38 : 255,566.25 = 255,566.25 : x
2. Step 2: Convert to fraction form
   122,196.38/255,566.25 = 255,566.25/x
3. Step 3: Cross multiply
   122,196.38x = 255,566.25 × 255,566.25
4. Step 4: Simplify right side
   122,196.38x = 65,314,108,139.06
5. Step 5: Solve for x
   x = 65,314,108,139.06/122,196.38
6. Step 6: Final answer
   x = 534,501.19