Finding the Third Proportional to 1,988,994 and 4,354,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988,994 : 4,354,164 = 4,354,164 : x
2. Step 2: Convert to fraction form
   1,988,994/4,354,164 = 4,354,164/x
3. Step 3: Cross multiply
   1,988,994x = 4,354,164 × 4,354,164
4. Step 4: Simplify right side
   1,988,994x = 18,958,744,138,896
5. Step 5: Solve for x
   x = 18,958,744,138,896/1,988,994
6. Step 6: Final answer
   x = 9,531,825.71