Finding the Third Proportional to 140,037.75 and 307,287

Step by Step Solution

1. Step 1: Write the proportion equation
   140,037.75 : 307,287 = 307,287 : x
2. Step 2: Convert to fraction form
   140,037.75/307,287 = 307,287/x
3. Step 3: Cross multiply
   140,037.75x = 307,287 × 307,287
4. Step 4: Simplify right side
   140,037.75x = 94,425,300,369
5. Step 5: Solve for x
   x = 94,425,300,369/140,037.75
6. Step 6: Final answer
   x = 674,284.62