Finding the Third Proportional to 3,917,978 and 5,936,222

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917,978 : 5,936,222 = 5,936,222 : x
2. Step 2: Convert to fraction form
   3,917,978/5,936,222 = 5,936,222/x
3. Step 3: Cross multiply
   3,917,978x = 5,936,222 × 5,936,222
4. Step 4: Simplify right side
   3,917,978x = 35,238,731,633,284
5. Step 5: Solve for x
   x = 35,238,731,633,284/3,917,978
6. Step 6: Final answer
   x = 8,994,111.67