Finding the Third Proportional to 2,556,360 and 5,498,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,360 : 5,498,968.50 = 5,498,968.50 : x
2. Step 2: Convert to fraction form
   2,556,360/5,498,968.50 = 5,498,968.50/x
3. Step 3: Cross multiply
   2,556,360x = 5,498,968.50 × 5,498,968.50
4. Step 4: Simplify right side
   2,556,360x = 30,238,654,563,992.25
5. Step 5: Solve for x
   x = 30,238,654,563,992.25/2,556,360
6. Step 6: Final answer
   x = 11,828,793.50