Finding the Third Proportional to 123,520 and 240,896

Step by Step Solution

1. Step 1: Write the proportion equation
   123,520 : 240,896 = 240,896 : x
2. Step 2: Convert to fraction form
   123,520/240,896 = 240,896/x
3. Step 3: Cross multiply
   123,520x = 240,896 × 240,896
4. Step 4: Simplify right side
   123,520x = 58,030,882,816
5. Step 5: Solve for x
   x = 58,030,882,816/123,520
6. Step 6: Final answer
   x = 469,809.61