Finding the Third Proportional to 2,421,998 and 5,191,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421,998 : 5,191,736 = 5,191,736 : x
2. Step 2: Convert to fraction form
   2,421,998/5,191,736 = 5,191,736/x
3. Step 3: Cross multiply
   2,421,998x = 5,191,736 × 5,191,736
4. Step 4: Simplify right side
   2,421,998x = 26,954,122,693,696
5. Step 5: Solve for x
   x = 26,954,122,693,696/2,421,998
6. Step 6: Final answer
   x = 11,128,879.01