Finding the Third Proportional to 140,467.50 and 303,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,467.50 : 303,385.50 = 303,385.50 : x
2. Step 2: Convert to fraction form
   140,467.50/303,385.50 = 303,385.50/x
3. Step 3: Cross multiply
   140,467.50x = 303,385.50 × 303,385.50
4. Step 4: Simplify right side
   140,467.50x = 92,042,761,610.25
5. Step 5: Solve for x
   x = 92,042,761,610.25/140,467.50
6. Step 6: Final answer
   x = 655,260.20