Finding the Third Proportional to 208,080 and 490,896

Step by Step Solution

1. Step 1: Write the proportion equation
   208,080 : 490,896 = 490,896 : x
2. Step 2: Convert to fraction form
   208,080/490,896 = 490,896/x
3. Step 3: Cross multiply
   208,080x = 490,896 × 490,896
4. Step 4: Simplify right side
   208,080x = 240,978,882,816
5. Step 5: Solve for x
   x = 240,978,882,816/208,080
6. Step 6: Final answer
   x = 1,158,106.90