Finding the Third Proportional to 669,064.50 and 1,431,441

Step by Step Solution

1. Step 1: Write the proportion equation
   669,064.50 : 1,431,441 = 1,431,441 : x
2. Step 2: Convert to fraction form
   669,064.50/1,431,441 = 1,431,441/x
3. Step 3: Cross multiply
   669,064.50x = 1,431,441 × 1,431,441
4. Step 4: Simplify right side
   669,064.50x = 2,049,023,336,481
5. Step 5: Solve for x
   x = 2,049,023,336,481/669,064.50
6. Step 6: Final answer
   x = 3,062,519.89