Finding the Third Proportional to 900,484 and 1,921,472

Step by Step Solution

1. Step 1: Write the proportion equation
   900,484 : 1,921,472 = 1,921,472 : x
2. Step 2: Convert to fraction form
   900,484/1,921,472 = 1,921,472/x
3. Step 3: Cross multiply
   900,484x = 1,921,472 × 1,921,472
4. Step 4: Simplify right side
   900,484x = 3,692,054,646,784
5. Step 5: Solve for x
   x = 3,692,054,646,784/900,484
6. Step 6: Final answer
   x = 4,100,078.01