Finding the Third Proportional to 140,041.50 and 307,293

Step by Step Solution

1. Step 1: Write the proportion equation
   140,041.50 : 307,293 = 307,293 : x
2. Step 2: Convert to fraction form
   140,041.50/307,293 = 307,293/x
3. Step 3: Cross multiply
   140,041.50x = 307,293 × 307,293
4. Step 4: Simplify right side
   140,041.50x = 94,428,987,849
5. Step 5: Solve for x
   x = 94,428,987,849/140,041.50
6. Step 6: Final answer
   x = 674,292.89