Finding the Third Proportional to 1,853,491 and 3,991,382

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853,491 : 3,991,382 = 3,991,382 : x
2. Step 2: Convert to fraction form
   1,853,491/3,991,382 = 3,991,382/x
3. Step 3: Cross multiply
   1,853,491x = 3,991,382 × 3,991,382
4. Step 4: Simplify right side
   1,853,491x = 15,931,130,269,924
5. Step 5: Solve for x
   x = 15,931,130,269,924/1,853,491
6. Step 6: Final answer
   x = 8,595,202.39