Finding the Third Proportional to 658,974 and 1,438,800

Step by Step Solution

1. Step 1: Write the proportion equation
   658,974 : 1,438,800 = 1,438,800 : x
2. Step 2: Convert to fraction form
   658,974/1,438,800 = 1,438,800/x
3. Step 3: Cross multiply
   658,974x = 1,438,800 × 1,438,800
4. Step 4: Simplify right side
   658,974x = 2,070,145,440,000
5. Step 5: Solve for x
   x = 2,070,145,440,000/658,974
6. Step 6: Final answer
   x = 3,141,467.55