Finding the Third Proportional to 918,144 and 1,988,752

Step by Step Solution

1. Step 1: Write the proportion equation
   918,144 : 1,988,752 = 1,988,752 : x
2. Step 2: Convert to fraction form
   918,144/1,988,752 = 1,988,752/x
3. Step 3: Cross multiply
   918,144x = 1,988,752 × 1,988,752
4. Step 4: Simplify right side
   918,144x = 3,955,134,517,504
5. Step 5: Solve for x
   x = 3,955,134,517,504/918,144
6. Step 6: Final answer
   x = 4,307,749.67