Finding the Third Proportional to 998,650 and 2,137,268

Step by Step Solution

1. Step 1: Write the proportion equation
   998,650 : 2,137,268 = 2,137,268 : x
2. Step 2: Convert to fraction form
   998,650/2,137,268 = 2,137,268/x
3. Step 3: Cross multiply
   998,650x = 2,137,268 × 2,137,268
4. Step 4: Simplify right side
   998,650x = 4,567,914,503,824
5. Step 5: Solve for x
   x = 4,567,914,503,824/998,650
6. Step 6: Final answer
   x = 4,574,089.52