Finding the Third Proportional to 208,704 and 456,768

Step by Step Solution

1. Step 1: Write the proportion equation
   208,704 : 456,768 = 456,768 : x
2. Step 2: Convert to fraction form
   208,704/456,768 = 456,768/x
3. Step 3: Cross multiply
   208,704x = 456,768 × 456,768
4. Step 4: Simplify right side
   208,704x = 208,637,005,824
5. Step 5: Solve for x
   x = 208,637,005,824/208,704
6. Step 6: Final answer
   x = 999,679.00