Finding the Third Proportional to 140,529 and 303,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,529 : 303,490.50 = 303,490.50 : x
2. Step 2: Convert to fraction form
   140,529/303,490.50 = 303,490.50/x
3. Step 3: Cross multiply
   140,529x = 303,490.50 × 303,490.50
4. Step 4: Simplify right side
   140,529x = 92,106,483,590.25
5. Step 5: Solve for x
   x = 92,106,483,590.25/140,529
6. Step 6: Final answer
   x = 655,426.88