Finding the Third Proportional to 140,589 and 303,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,589 : 303,322.50 = 303,322.50 : x
2. Step 2: Convert to fraction form
   140,589/303,322.50 = 303,322.50/x
3. Step 3: Cross multiply
   140,589x = 303,322.50 × 303,322.50
4. Step 4: Simplify right side
   140,589x = 92,004,539,006.25
5. Step 5: Solve for x
   x = 92,004,539,006.25/140,589
6. Step 6: Final answer
   x = 654,422.03