Finding the Third Proportional to 987,208 and 1,443,412

Step by Step Solution

1. Step 1: Write the proportion equation
   987,208 : 1,443,412 = 1,443,412 : x
2. Step 2: Convert to fraction form
   987,208/1,443,412 = 1,443,412/x
3. Step 3: Cross multiply
   987,208x = 1,443,412 × 1,443,412
4. Step 4: Simplify right side
   987,208x = 2,083,438,201,744
5. Step 5: Solve for x
   x = 2,083,438,201,744/987,208
6. Step 6: Final answer
   x = 2,110,434.88