Finding the Third Proportional to 123,450.75 and 265,629.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,450.75 : 265,629.38 = 265,629.38 : x
2. Step 2: Convert to fraction form
   123,450.75/265,629.38 = 265,629.38/x
3. Step 3: Cross multiply
   123,450.75x = 265,629.38 × 265,629.38
4. Step 4: Simplify right side
   123,450.75x = 70,558,964,862.89
5. Step 5: Solve for x
   x = 70,558,964,862.89/123,450.75
6. Step 6: Final answer
   x = 571,555.58