Finding the Third Proportional to 645,303 and 1,002,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   645,303 : 1,002,469.50 = 1,002,469.50 : x
2. Step 2: Convert to fraction form
   645,303/1,002,469.50 = 1,002,469.50/x
3. Step 3: Cross multiply
   645,303x = 1,002,469.50 × 1,002,469.50
4. Step 4: Simplify right side
   645,303x = 1,004,945,098,430.25
5. Step 5: Solve for x
   x = 1,004,945,098,430.25/645,303
6. Step 6: Final answer
   x = 1,557,322.84