Finding the Third Proportional to 658,774 and 1,438,024

Step by Step Solution

1. Step 1: Write the proportion equation
   658,774 : 1,438,024 = 1,438,024 : x
2. Step 2: Convert to fraction form
   658,774/1,438,024 = 1,438,024/x
3. Step 3: Cross multiply
   658,774x = 1,438,024 × 1,438,024
4. Step 4: Simplify right side
   658,774x = 2,067,913,024,576
5. Step 5: Solve for x
   x = 2,067,913,024,576/658,774
6. Step 6: Final answer
   x = 3,139,032.54