Finding the Third Proportional to 918,162 and 1,988,788

Step by Step Solution

1. Step 1: Write the proportion equation
   918,162 : 1,988,788 = 1,988,788 : x
2. Step 2: Convert to fraction form
   918,162/1,988,788 = 1,988,788/x
3. Step 3: Cross multiply
   918,162x = 1,988,788 × 1,988,788
4. Step 4: Simplify right side
   918,162x = 3,955,277,708,944
5. Step 5: Solve for x
   x = 3,955,277,708,944/918,162
6. Step 6: Final answer
   x = 4,307,821.18