Finding the Third Proportional to 300,866.25 and 655,692

Step by Step Solution

1. Step 1: Write the proportion equation
   300,866.25 : 655,692 = 655,692 : x
2. Step 2: Convert to fraction form
   300,866.25/655,692 = 655,692/x
3. Step 3: Cross multiply
   300,866.25x = 655,692 × 655,692
4. Step 4: Simplify right side
   300,866.25x = 429,931,998,864
5. Step 5: Solve for x
   x = 429,931,998,864/300,866.25
6. Step 6: Final answer
   x = 1,428,980.48