Finding the Third Proportional to 140,308.75 and 307,782

Step by Step Solution

1. Step 1: Write the proportion equation
   140,308.75 : 307,782 = 307,782 : x
2. Step 2: Convert to fraction form
   140,308.75/307,782 = 307,782/x
3. Step 3: Cross multiply
   140,308.75x = 307,782 × 307,782
4. Step 4: Simplify right side
   140,308.75x = 94,729,759,524
5. Step 5: Solve for x
   x = 94,729,759,524/140,308.75
6. Step 6: Final answer
   x = 675,152.19