Finding the Third Proportional to 918,146 and 1,988,756

Step by Step Solution

1. Step 1: Write the proportion equation
   918,146 : 1,988,756 = 1,988,756 : x
2. Step 2: Convert to fraction form
   918,146/1,988,756 = 1,988,756/x
3. Step 3: Cross multiply
   918,146x = 1,988,756 × 1,988,756
4. Step 4: Simplify right side
   918,146x = 3,955,150,427,536
5. Step 5: Solve for x
   x = 3,955,150,427,536/918,146
6. Step 6: Final answer
   x = 4,307,757.62