Finding the Third Proportional to 918,224 and 1,983,990

Step by Step Solution

1. Step 1: Write the proportion equation
   918,224 : 1,983,990 = 1,983,990 : x
2. Step 2: Convert to fraction form
   918,224/1,983,990 = 1,983,990/x
3. Step 3: Cross multiply
   918,224x = 1,983,990 × 1,983,990
4. Step 4: Simplify right side
   918,224x = 3,936,216,320,100
5. Step 5: Solve for x
   x = 3,936,216,320,100/918,224
6. Step 6: Final answer
   x = 4,286,771.33