Finding the Third Proportional to 2,556,520.50 and 5,570,673

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,520.50 : 5,570,673 = 5,570,673 : x
2. Step 2: Convert to fraction form
   2,556,520.50/5,570,673 = 5,570,673/x
3. Step 3: Cross multiply
   2,556,520.50x = 5,570,673 × 5,570,673
4. Step 4: Simplify right side
   2,556,520.50x = 31,032,397,672,929
5. Step 5: Solve for x
   x = 31,032,397,672,929/2,556,520.50
6. Step 6: Final answer
   x = 12,138,528.78