Finding the Third Proportional to 1,328,553 and 1,992,483

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,553 : 1,992,483 = 1,992,483 : x
2. Step 2: Convert to fraction form
   1,328,553/1,992,483 = 1,992,483/x
3. Step 3: Cross multiply
   1,328,553x = 1,992,483 × 1,992,483
4. Step 4: Simplify right side
   1,328,553x = 3,969,988,505,289
5. Step 5: Solve for x
   x = 3,969,988,505,289/1,328,553
6. Step 6: Final answer
   x = 2,988,204.84