Finding the Third Proportional to 1,438,554 and 2,147,982

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,554 : 2,147,982 = 2,147,982 : x
2. Step 2: Convert to fraction form
   1,438,554/2,147,982 = 2,147,982/x
3. Step 3: Cross multiply
   1,438,554x = 2,147,982 × 2,147,982
4. Step 4: Simplify right side
   1,438,554x = 4,613,826,672,324
5. Step 5: Solve for x
   x = 4,613,826,672,324/1,438,554
6. Step 6: Final answer
   x = 3,207,266.93