Finding the Third Proportional to 2,556,508.50 and 5,570,649

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,508.50 : 5,570,649 = 5,570,649 : x
2. Step 2: Convert to fraction form
   2,556,508.50/5,570,649 = 5,570,649/x
3. Step 3: Cross multiply
   2,556,508.50x = 5,570,649 × 5,570,649
4. Step 4: Simplify right side
   2,556,508.50x = 31,032,130,281,201
5. Step 5: Solve for x
   x = 31,032,130,281,201/2,556,508.50
6. Step 6: Final answer
   x = 12,138,481.17