Finding the Third Proportional to 918,816 and 1,948,800

Step by Step Solution

1. Step 1: Write the proportion equation
   918,816 : 1,948,800 = 1,948,800 : x
2. Step 2: Convert to fraction form
   918,816/1,948,800 = 1,948,800/x
3. Step 3: Cross multiply
   918,816x = 1,948,800 × 1,948,800
4. Step 4: Simplify right side
   918,816x = 3,797,821,440,000
5. Step 5: Solve for x
   x = 3,797,821,440,000/918,816
6. Step 6: Final answer
   x = 4,133,386.27