Finding the Third Proportional to 140,442.75 and 307,098

Step by Step Solution

1. Step 1: Write the proportion equation
   140,442.75 : 307,098 = 307,098 : x
2. Step 2: Convert to fraction form
   140,442.75/307,098 = 307,098/x
3. Step 3: Cross multiply
   140,442.75x = 307,098 × 307,098
4. Step 4: Simplify right side
   140,442.75x = 94,309,181,604
5. Step 5: Solve for x
   x = 94,309,181,604/140,442.75
6. Step 6: Final answer
   x = 671,513.35