Finding the Third Proportional to 918,155 and 1,988,774

Step by Step Solution

1. Step 1: Write the proportion equation
   918,155 : 1,988,774 = 1,988,774 : x
2. Step 2: Convert to fraction form
   918,155/1,988,774 = 1,988,774/x
3. Step 3: Cross multiply
   918,155x = 1,988,774 × 1,988,774
4. Step 4: Simplify right side
   918,155x = 3,955,222,023,076
5. Step 5: Solve for x
   x = 3,955,222,023,076/918,155
6. Step 6: Final answer
   x = 4,307,793.37