Finding the Third Proportional to 1,837,164 and 3,989,802

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837,164 : 3,989,802 = 3,989,802 : x
2. Step 2: Convert to fraction form
   1,837,164/3,989,802 = 3,989,802/x
3. Step 3: Cross multiply
   1,837,164x = 3,989,802 × 3,989,802
4. Step 4: Simplify right side
   1,837,164x = 15,918,519,999,204
5. Step 5: Solve for x
   x = 15,918,519,999,204/1,837,164
6. Step 6: Final answer
   x = 8,664,724.54