Finding the Third Proportional to 671,820 and 1,474,698

Step by Step Solution

1. Step 1: Write the proportion equation
   671,820 : 1,474,698 = 1,474,698 : x
2. Step 2: Convert to fraction form
   671,820/1,474,698 = 1,474,698/x
3. Step 3: Cross multiply
   671,820x = 1,474,698 × 1,474,698
4. Step 4: Simplify right side
   671,820x = 2,174,734,191,204
5. Step 5: Solve for x
   x = 2,174,734,191,204/671,820
6. Step 6: Final answer
   x = 3,237,078.67