Finding the Third Proportional to 2,442,636 and 5,209,893

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442,636 : 5,209,893 = 5,209,893 : x
2. Step 2: Convert to fraction form
   2,442,636/5,209,893 = 5,209,893/x
3. Step 3: Cross multiply
   2,442,636x = 5,209,893 × 5,209,893
4. Step 4: Simplify right side
   2,442,636x = 27,142,985,071,449
5. Step 5: Solve for x
   x = 27,142,985,071,449/2,442,636
6. Step 6: Final answer
   x = 11,112,169.42