Finding the Third Proportional to 288,714 and 444,343.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,714 : 444,343.50 = 444,343.50 : x
2. Step 2: Convert to fraction form
   288,714/444,343.50 = 444,343.50/x
3. Step 3: Cross multiply
   288,714x = 444,343.50 × 444,343.50
4. Step 4: Simplify right side
   288,714x = 197,441,145,992.25
5. Step 5: Solve for x
   x = 197,441,145,992.25/288,714
6. Step 6: Final answer
   x = 683,864.12