Finding the Third Proportional to 140,178 and 303,684

Step by Step Solution

1. Step 1: Write the proportion equation
   140,178 : 303,684 = 303,684 : x
2. Step 2: Convert to fraction form
   140,178/303,684 = 303,684/x
3. Step 3: Cross multiply
   140,178x = 303,684 × 303,684
4. Step 4: Simplify right side
   140,178x = 92,223,971,856
5. Step 5: Solve for x
   x = 92,223,971,856/140,178
6. Step 6: Final answer
   x = 657,906.18