Finding the Third Proportional to 123,600 and 270,432

Step by Step Solution

1. Step 1: Write the proportion equation
   123,600 : 270,432 = 270,432 : x
2. Step 2: Convert to fraction form
   123,600/270,432 = 270,432/x
3. Step 3: Cross multiply
   123,600x = 270,432 × 270,432
4. Step 4: Simplify right side
   123,600x = 73,133,466,624
5. Step 5: Solve for x
   x = 73,133,466,624/123,600
6. Step 6: Final answer
   x = 591,694.71