Finding the Third Proportional to 538,989 and 1,173,600

Step by Step Solution

1. Step 1: Write the proportion equation
   538,989 : 1,173,600 = 1,173,600 : x
2. Step 2: Convert to fraction form
   538,989/1,173,600 = 1,173,600/x
3. Step 3: Cross multiply
   538,989x = 1,173,600 × 1,173,600
4. Step 4: Simplify right side
   538,989x = 1,377,336,960,000
5. Step 5: Solve for x
   x = 1,377,336,960,000/538,989
6. Step 6: Final answer
   x = 2,555,408.29