Finding the Third Proportional to 988,684 and 2,158,592

Step by Step Solution

1. Step 1: Write the proportion equation
   988,684 : 2,158,592 = 2,158,592 : x
2. Step 2: Convert to fraction form
   988,684/2,158,592 = 2,158,592/x
3. Step 3: Cross multiply
   988,684x = 2,158,592 × 2,158,592
4. Step 4: Simplify right side
   988,684x = 4,659,519,422,464
5. Step 5: Solve for x
   x = 4,659,519,422,464/988,684
6. Step 6: Final answer
   x = 4,712,850.03