Finding the Third Proportional to 137,965.50 and 303,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,965.50 : 303,025.50 = 303,025.50 : x
2. Step 2: Convert to fraction form
   137,965.50/303,025.50 = 303,025.50/x
3. Step 3: Cross multiply
   137,965.50x = 303,025.50 × 303,025.50
4. Step 4: Simplify right side
   137,965.50x = 91,824,453,650.25
5. Step 5: Solve for x
   x = 91,824,453,650.25/137,965.50
6. Step 6: Final answer
   x = 665,560.98