Finding the Third Proportional to 300,232.50 and 659,513.25

Step by Step Solution

1. Step 1: Write the proportion equation
   300,232.50 : 659,513.25 = 659,513.25 : x
2. Step 2: Convert to fraction form
   300,232.50/659,513.25 = 659,513.25/x
3. Step 3: Cross multiply
   300,232.50x = 659,513.25 × 659,513.25
4. Step 4: Simplify right side
   300,232.50x = 434,957,726,925.56
5. Step 5: Solve for x
   x = 434,957,726,925.56/300,232.50
6. Step 6: Final answer
   x = 1,448,736.32