Finding the Third Proportional to 900,348 and 1,921,224

Step by Step Solution

1. Step 1: Write the proportion equation
   900,348 : 1,921,224 = 1,921,224 : x
2. Step 2: Convert to fraction form
   900,348/1,921,224 = 1,921,224/x
3. Step 3: Cross multiply
   900,348x = 1,921,224 × 1,921,224
4. Step 4: Simplify right side
   900,348x = 3,691,101,658,176
5. Step 5: Solve for x
   x = 3,691,101,658,176/900,348
6. Step 6: Final answer
   x = 4,099,638.87