Finding the Third Proportional to 1,994,122 and 4,349,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994,122 : 4,349,144 = 4,349,144 : x
2. Step 2: Convert to fraction form
   1,994,122/4,349,144 = 4,349,144/x
3. Step 3: Cross multiply
   1,994,122x = 4,349,144 × 4,349,144
4. Step 4: Simplify right side
   1,994,122x = 18,915,053,532,736
5. Step 5: Solve for x
   x = 18,915,053,532,736/1,994,122
6. Step 6: Final answer
   x = 9,485,404.37