Finding the Third Proportional to 307,597.50 and 675,684

Step by Step Solution

1. Step 1: Write the proportion equation
   307,597.50 : 675,684 = 675,684 : x
2. Step 2: Convert to fraction form
   307,597.50/675,684 = 675,684/x
3. Step 3: Cross multiply
   307,597.50x = 675,684 × 675,684
4. Step 4: Simplify right side
   307,597.50x = 456,548,867,856
5. Step 5: Solve for x
   x = 456,548,867,856/307,597.50
6. Step 6: Final answer
   x = 1,484,241.15