Finding the Third Proportional to 2,571,790.50 and 5,530,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,790.50 : 5,530,680 = 5,530,680 : x
2. Step 2: Convert to fraction form
   2,571,790.50/5,530,680 = 5,530,680/x
3. Step 3: Cross multiply
   2,571,790.50x = 5,530,680 × 5,530,680
4. Step 4: Simplify right side
   2,571,790.50x = 30,588,421,262,400
5. Step 5: Solve for x
   x = 30,588,421,262,400/2,571,790.50
6. Step 6: Final answer
   x = 11,893,823.10