Finding the Third Proportional to 140,619 and 303,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,619 : 303,337.50 = 303,337.50 : x
2. Step 2: Convert to fraction form
   140,619/303,337.50 = 303,337.50/x
3. Step 3: Cross multiply
   140,619x = 303,337.50 × 303,337.50
4. Step 4: Simplify right side
   140,619x = 92,013,638,906.25
5. Step 5: Solve for x
   x = 92,013,638,906.25/140,619
6. Step 6: Final answer
   x = 654,347.13