Finding the Third Proportional to 671,242 and 1,420,244

Step by Step Solution

1. Step 1: Write the proportion equation
   671,242 : 1,420,244 = 1,420,244 : x
2. Step 2: Convert to fraction form
   671,242/1,420,244 = 1,420,244/x
3. Step 3: Cross multiply
   671,242x = 1,420,244 × 1,420,244
4. Step 4: Simplify right side
   671,242x = 2,017,093,019,536
5. Step 5: Solve for x
   x = 2,017,093,019,536/671,242
6. Step 6: Final answer
   x = 3,005,016.10