Finding the Third Proportional to 587,982 and 1,287,996

Step by Step Solution

1. Step 1: Write the proportion equation
   587,982 : 1,287,996 = 1,287,996 : x
2. Step 2: Convert to fraction form
   587,982/1,287,996 = 1,287,996/x
3. Step 3: Cross multiply
   587,982x = 1,287,996 × 1,287,996
4. Step 4: Simplify right side
   587,982x = 1,658,933,696,016
5. Step 5: Solve for x
   x = 1,658,933,696,016/587,982
6. Step 6: Final answer
   x = 2,821,402.18