Finding the Third Proportional to 869,971 and 1,844,390

Step by Step Solution

1. Step 1: Write the proportion equation
   869,971 : 1,844,390 = 1,844,390 : x
2. Step 2: Convert to fraction form
   869,971/1,844,390 = 1,844,390/x
3. Step 3: Cross multiply
   869,971x = 1,844,390 × 1,844,390
4. Step 4: Simplify right side
   869,971x = 3,401,774,472,100
5. Step 5: Solve for x
   x = 3,401,774,472,100/869,971
6. Step 6: Final answer
   x = 3,910,215.94