Finding the Third Proportional to 555,137 and 1,188,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   555,137 : 1,188,945.50 = 1,188,945.50 : x
2. Step 2: Convert to fraction form
   555,137/1,188,945.50 = 1,188,945.50/x
3. Step 3: Cross multiply
   555,137x = 1,188,945.50 × 1,188,945.50
4. Step 4: Simplify right side
   555,137x = 1,413,591,401,970.25
5. Step 5: Solve for x
   x = 1,413,591,401,970.25/555,137
6. Step 6: Final answer
   x = 2,546,382.97