Finding the Third Proportional to 918,222 and 1,983,986

Step by Step Solution

1. Step 1: Write the proportion equation
   918,222 : 1,983,986 = 1,983,986 : x
2. Step 2: Convert to fraction form
   918,222/1,983,986 = 1,983,986/x
3. Step 3: Cross multiply
   918,222x = 1,983,986 × 1,983,986
4. Step 4: Simplify right side
   918,222x = 3,936,200,448,196
5. Step 5: Solve for x
   x = 3,936,200,448,196/918,222
6. Step 6: Final answer
   x = 4,286,763.38