Finding the Third Proportional to 921,885 and 2,011,886

Step by Step Solution

1. Step 1: Write the proportion equation
   921,885 : 2,011,886 = 2,011,886 : x
2. Step 2: Convert to fraction form
   921,885/2,011,886 = 2,011,886/x
3. Step 3: Cross multiply
   921,885x = 2,011,886 × 2,011,886
4. Step 4: Simplify right side
   921,885x = 4,047,685,276,996
5. Step 5: Solve for x
   x = 4,047,685,276,996/921,885
6. Step 6: Final answer
   x = 4,390,661.83