Finding the Third Proportional to 123,003.56 and 264,551.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,003.56 : 264,551.06 = 264,551.06 : x
2. Step 2: Convert to fraction form
   123,003.56/264,551.06 = 264,551.06/x
3. Step 3: Cross multiply
   123,003.56x = 264,551.06 × 264,551.06
4. Step 4: Simplify right side
   123,003.56x = 69,987,264,669.88
5. Step 5: Solve for x
   x = 69,987,264,669.88/123,003.56
6. Step 6: Final answer
   x = 568,985.67