Finding the Third Proportional to 140,560 and 301,208

Step by Step Solution

1. Step 1: Write the proportion equation
   140,560 : 301,208 = 301,208 : x
2. Step 2: Convert to fraction form
   140,560/301,208 = 301,208/x
3. Step 3: Cross multiply
   140,560x = 301,208 × 301,208
4. Step 4: Simplify right side
   140,560x = 90,726,259,264
5. Step 5: Solve for x
   x = 90,726,259,264/140,560
6. Step 6: Final answer
   x = 645,462.86