Finding the Third Proportional to 300,852 and 655,672

Step by Step Solution

1. Step 1: Write the proportion equation
   300,852 : 655,672 = 655,672 : x
2. Step 2: Convert to fraction form
   300,852/655,672 = 655,672/x
3. Step 3: Cross multiply
   300,852x = 655,672 × 655,672
4. Step 4: Simplify right side
   300,852x = 429,905,771,584
5. Step 5: Solve for x
   x = 429,905,771,584/300,852
6. Step 6: Final answer
   x = 1,428,960.99