Finding the Third Proportional to 587,760 and 1,200,426

Step by Step Solution

1. Step 1: Write the proportion equation
   587,760 : 1,200,426 = 1,200,426 : x
2. Step 2: Convert to fraction form
   587,760/1,200,426 = 1,200,426/x
3. Step 3: Cross multiply
   587,760x = 1,200,426 × 1,200,426
4. Step 4: Simplify right side
   587,760x = 1,441,022,581,476
5. Step 5: Solve for x
   x = 1,441,022,581,476/587,760
6. Step 6: Final answer
   x = 2,451,719.38