Finding the Third Proportional to 900,510 and 1,921,548

Step by Step Solution

1. Step 1: Write the proportion equation
   900,510 : 1,921,548 = 1,921,548 : x
2. Step 2: Convert to fraction form
   900,510/1,921,548 = 1,921,548/x
3. Step 3: Cross multiply
   900,510x = 1,921,548 × 1,921,548
4. Step 4: Simplify right side
   900,510x = 3,692,346,716,304
5. Step 5: Solve for x
   x = 3,692,346,716,304/900,510
6. Step 6: Final answer
   x = 4,100,283.97