Finding the Third Proportional to 295,620 and 648,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,620 : 648,466.50 = 648,466.50 : x
2. Step 2: Convert to fraction form
   295,620/648,466.50 = 648,466.50/x
3. Step 3: Cross multiply
   295,620x = 648,466.50 × 648,466.50
4. Step 4: Simplify right side
   295,620x = 420,508,801,622.25
5. Step 5: Solve for x
   x = 420,508,801,622.25/295,620
6. Step 6: Final answer
   x = 1,422,463.98