Finding the Third Proportional to 123,528 and 240,912

Step by Step Solution

1. Step 1: Write the proportion equation
   123,528 : 240,912 = 240,912 : x
2. Step 2: Convert to fraction form
   123,528/240,912 = 240,912/x
3. Step 3: Cross multiply
   123,528x = 240,912 × 240,912
4. Step 4: Simplify right side
   123,528x = 58,038,591,744
5. Step 5: Solve for x
   x = 58,038,591,744/123,528
6. Step 6: Final answer
   x = 469,841.59