Finding the Third Proportional to 908,816 and 1,911,648

Step by Step Solution

1. Step 1: Write the proportion equation
   908,816 : 1,911,648 = 1,911,648 : x
2. Step 2: Convert to fraction form
   908,816/1,911,648 = 1,911,648/x
3. Step 3: Cross multiply
   908,816x = 1,911,648 × 1,911,648
4. Step 4: Simplify right side
   908,816x = 3,654,398,075,904
5. Step 5: Solve for x
   x = 3,654,398,075,904/908,816
6. Step 6: Final answer
   x = 4,021,053.85