Finding the Third Proportional to 1,836,446 and 3,967,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,446 : 3,967,976 = 3,967,976 : x
2. Step 2: Convert to fraction form
   1,836,446/3,967,976 = 3,967,976/x
3. Step 3: Cross multiply
   1,836,446x = 3,967,976 × 3,967,976
4. Step 4: Simplify right side
   1,836,446x = 15,744,833,536,576
5. Step 5: Solve for x
   x = 15,744,833,536,576/1,836,446
6. Step 6: Final answer
   x = 8,573,534.72