Finding the Third Proportional to 939,916 and 1,986,982

Step by Step Solution

1. Step 1: Write the proportion equation
   939,916 : 1,986,982 = 1,986,982 : x
2. Step 2: Convert to fraction form
   939,916/1,986,982 = 1,986,982/x
3. Step 3: Cross multiply
   939,916x = 1,986,982 × 1,986,982
4. Step 4: Simplify right side
   939,916x = 3,948,097,468,324
5. Step 5: Solve for x
   x = 3,948,097,468,324/939,916
6. Step 6: Final answer
   x = 4,200,479.05