Finding the Third Proportional to 587,958 and 1,287,964

Step by Step Solution

1. Step 1: Write the proportion equation
   587,958 : 1,287,964 = 1,287,964 : x
2. Step 2: Convert to fraction form
   587,958/1,287,964 = 1,287,964/x
3. Step 3: Cross multiply
   587,958x = 1,287,964 × 1,287,964
4. Step 4: Simplify right side
   587,958x = 1,658,851,265,296
5. Step 5: Solve for x
   x = 1,658,851,265,296/587,958
6. Step 6: Final answer
   x = 2,821,377.15