Finding the Third Proportional to 587,956 and 1,287,960

Step by Step Solution

1. Step 1: Write the proportion equation
   587,956 : 1,287,960 = 1,287,960 : x
2. Step 2: Convert to fraction form
   587,956/1,287,960 = 1,287,960/x
3. Step 3: Cross multiply
   587,956x = 1,287,960 × 1,287,960
4. Step 4: Simplify right side
   587,956x = 1,658,840,961,600
5. Step 5: Solve for x
   x = 1,658,840,961,600/587,956
6. Step 6: Final answer
   x = 2,821,369.22