Finding the Third Proportional to 140,782 and 307,808

Step by Step Solution

1. Step 1: Write the proportion equation
   140,782 : 307,808 = 307,808 : x
2. Step 2: Convert to fraction form
   140,782/307,808 = 307,808/x
3. Step 3: Cross multiply
   140,782x = 307,808 × 307,808
4. Step 4: Simplify right side
   140,782x = 94,745,764,864
5. Step 5: Solve for x
   x = 94,745,764,864/140,782
6. Step 6: Final answer
   x = 672,996.30