Finding the Third Proportional to 295,662 and 648,582

Step by Step Solution

1. Step 1: Write the proportion equation
   295,662 : 648,582 = 648,582 : x
2. Step 2: Convert to fraction form
   295,662/648,582 = 648,582/x
3. Step 3: Cross multiply
   295,662x = 648,582 × 648,582
4. Step 4: Simplify right side
   295,662x = 420,658,610,724
5. Step 5: Solve for x
   x = 420,658,610,724/295,662
6. Step 6: Final answer
   x = 1,422,768.60