Finding the Third Proportional to 666,494 and 1,431,484

Step by Step Solution

1. Step 1: Write the proportion equation
   666,494 : 1,431,484 = 1,431,484 : x
2. Step 2: Convert to fraction form
   666,494/1,431,484 = 1,431,484/x
3. Step 3: Cross multiply
   666,494x = 1,431,484 × 1,431,484
4. Step 4: Simplify right side
   666,494x = 2,049,146,442,256
5. Step 5: Solve for x
   x = 2,049,146,442,256/666,494
6. Step 6: Final answer
   x = 3,074,515.96