Finding the Third Proportional to 140,234 and 307,684

Step by Step Solution

1. Step 1: Write the proportion equation
   140,234 : 307,684 = 307,684 : x
2. Step 2: Convert to fraction form
   140,234/307,684 = 307,684/x
3. Step 3: Cross multiply
   140,234x = 307,684 × 307,684
4. Step 4: Simplify right side
   140,234x = 94,669,443,856
5. Step 5: Solve for x
   x = 94,669,443,856/140,234
6. Step 6: Final answer
   x = 675,081.96