Finding the Third Proportional to 669,065.50 and 1,431,443

Step by Step Solution

1. Step 1: Write the proportion equation
   669,065.50 : 1,431,443 = 1,431,443 : x
2. Step 2: Convert to fraction form
   669,065.50/1,431,443 = 1,431,443/x
3. Step 3: Cross multiply
   669,065.50x = 1,431,443 × 1,431,443
4. Step 4: Simplify right side
   669,065.50x = 2,049,029,062,249
5. Step 5: Solve for x
   x = 2,049,029,062,249/669,065.50
6. Step 6: Final answer
   x = 3,062,523.87