Finding the Third Proportional to 998,606 and 2,137,180

Step by Step Solution

1. Step 1: Write the proportion equation
   998,606 : 2,137,180 = 2,137,180 : x
2. Step 2: Convert to fraction form
   998,606/2,137,180 = 2,137,180/x
3. Step 3: Cross multiply
   998,606x = 2,137,180 × 2,137,180
4. Step 4: Simplify right side
   998,606x = 4,567,538,352,400
5. Step 5: Solve for x
   x = 4,567,538,352,400/998,606
6. Step 6: Final answer
   x = 4,573,914.39