Finding the Third Proportional to 711,040 and 1,555,099

Step by Step Solution

1. Step 1: Write the proportion equation
   711,040 : 1,555,099 = 1,555,099 : x
2. Step 2: Convert to fraction form
   711,040/1,555,099 = 1,555,099/x
3. Step 3: Cross multiply
   711,040x = 1,555,099 × 1,555,099
4. Step 4: Simplify right side
   711,040x = 2,418,332,899,801
5. Step 5: Solve for x
   x = 2,418,332,899,801/711,040
6. Step 6: Final answer
   x = 3,401,120.75