Finding the Third Proportional to 123,123.09 and 269,600.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,123.09 : 269,600.34 = 269,600.34 : x
2. Step 2: Convert to fraction form
   123,123.09/269,600.34 = 269,600.34/x
3. Step 3: Cross multiply
   123,123.09x = 269,600.34 × 269,600.34
4. Step 4: Simplify right side
   123,123.09x = 72,684,345,350.12
5. Step 5: Solve for x
   x = 72,684,345,350.12/123,123.09
6. Step 6: Final answer
   x = 590,338.85