Finding the Third Proportional to 123,392 and 269,120

Step by Step Solution

1. Step 1: Write the proportion equation
   123,392 : 269,120 = 269,120 : x
2. Step 2: Convert to fraction form
   123,392/269,120 = 269,120/x
3. Step 3: Cross multiply
   123,392x = 269,120 × 269,120
4. Step 4: Simplify right side
   123,392x = 72,425,574,400
5. Step 5: Solve for x
   x = 72,425,574,400/123,392
6. Step 6: Final answer
   x = 586,955.19