Finding the Third Proportional to 208,606.50 and 456,579

Step by Step Solution

1. Step 1: Write the proportion equation
   208,606.50 : 456,579 = 456,579 : x
2. Step 2: Convert to fraction form
   208,606.50/456,579 = 456,579/x
3. Step 3: Cross multiply
   208,606.50x = 456,579 × 456,579
4. Step 4: Simplify right side
   208,606.50x = 208,464,383,241
5. Step 5: Solve for x
   x = 208,464,383,241/208,606.50
6. Step 6: Final answer
   x = 999,318.73