Finding the Third Proportional to 140,494.50 and 305,928

Step by Step Solution

1. Step 1: Write the proportion equation
   140,494.50 : 305,928 = 305,928 : x
2. Step 2: Convert to fraction form
   140,494.50/305,928 = 305,928/x
3. Step 3: Cross multiply
   140,494.50x = 305,928 × 305,928
4. Step 4: Simplify right side
   140,494.50x = 93,591,941,184
5. Step 5: Solve for x
   x = 93,591,941,184/140,494.50
6. Step 6: Final answer
   x = 666,160.89