Finding the Third Proportional to 587,660 and 1,286,056

Step by Step Solution

1. Step 1: Write the proportion equation
   587,660 : 1,286,056 = 1,286,056 : x
2. Step 2: Convert to fraction form
   587,660/1,286,056 = 1,286,056/x
3. Step 3: Cross multiply
   587,660x = 1,286,056 × 1,286,056
4. Step 4: Simplify right side
   587,660x = 1,653,940,035,136
5. Step 5: Solve for x
   x = 1,653,940,035,136/587,660
6. Step 6: Final answer
   x = 2,814,450.59