Finding the Third Proportional to 2,690,370 and 3,997,242

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,370 : 3,997,242 = 3,997,242 : x
2. Step 2: Convert to fraction form
   2,690,370/3,997,242 = 3,997,242/x
3. Step 3: Cross multiply
   2,690,370x = 3,997,242 × 3,997,242
4. Step 4: Simplify right side
   2,690,370x = 15,977,943,606,564
5. Step 5: Solve for x
   x = 15,977,943,606,564/2,690,370
6. Step 6: Final answer
   x = 5,938,939.11