Finding the Third Proportional to 669,404.25 and 1,019,810.25

Step by Step Solution

1. Step 1: Write the proportion equation
   669,404.25 : 1,019,810.25 = 1,019,810.25 : x
2. Step 2: Convert to fraction form
   669,404.25/1,019,810.25 = 1,019,810.25/x
3. Step 3: Cross multiply
   669,404.25x = 1,019,810.25 × 1,019,810.25
4. Step 4: Simplify right side
   669,404.25x = 1,040,012,946,005.06
5. Step 5: Solve for x
   x = 1,040,012,946,005.06/669,404.25
6. Step 6: Final answer
   x = 1,553,639.59