Finding the Third Proportional to 587,988 and 1,288,071

Step by Step Solution

1. Step 1: Write the proportion equation
   587,988 : 1,288,071 = 1,288,071 : x
2. Step 2: Convert to fraction form
   587,988/1,288,071 = 1,288,071/x
3. Step 3: Cross multiply
   587,988x = 1,288,071 × 1,288,071
4. Step 4: Simplify right side
   587,988x = 1,659,126,901,041
5. Step 5: Solve for x
   x = 1,659,126,901,041/587,988
6. Step 6: Final answer
   x = 2,821,701.98