Finding the Third Proportional to 140,194 and 307,530

Step by Step Solution

1. Step 1: Write the proportion equation
   140,194 : 307,530 = 307,530 : x
2. Step 2: Convert to fraction form
   140,194/307,530 = 307,530/x
3. Step 3: Cross multiply
   140,194x = 307,530 × 307,530
4. Step 4: Simplify right side
   140,194x = 94,574,700,900
5. Step 5: Solve for x
   x = 94,574,700,900/140,194
6. Step 6: Final answer
   x = 674,598.78