Finding the Third Proportional to 123,062.63 and 254,665.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,062.63 : 254,665.69 = 254,665.69 : x
2. Step 2: Convert to fraction form
   123,062.63/254,665.69 = 254,665.69/x
3. Step 3: Cross multiply
   123,062.63x = 254,665.69 × 254,665.69
4. Step 4: Simplify right side
   123,062.63x = 64,854,612,389.85
5. Step 5: Solve for x
   x = 64,854,612,389.85/123,062.63
6. Step 6: Final answer
   x = 527,004.95