Finding the Third Proportional to 544,860 and 850,404

Step by Step Solution

1. Step 1: Write the proportion equation
   544,860 : 850,404 = 850,404 : x
2. Step 2: Convert to fraction form
   544,860/850,404 = 850,404/x
3. Step 3: Cross multiply
   544,860x = 850,404 × 850,404
4. Step 4: Simplify right side
   544,860x = 723,186,963,216
5. Step 5: Solve for x
   x = 723,186,963,216/544,860
6. Step 6: Final answer
   x = 1,327,289.51