Finding the Third Proportional to 1,836,306 and 3,977,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,306 : 3,977,540 = 3,977,540 : x
2. Step 2: Convert to fraction form
   1,836,306/3,977,540 = 3,977,540/x
3. Step 3: Cross multiply
   1,836,306x = 3,977,540 × 3,977,540
4. Step 4: Simplify right side
   1,836,306x = 15,820,824,451,600
5. Step 5: Solve for x
   x = 15,820,824,451,600/1,836,306
6. Step 6: Final answer
   x = 8,615,570.85