Finding the Third Proportional to 2,620,273.50 and 5,555,475

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,273.50 : 5,555,475 = 5,555,475 : x
2. Step 2: Convert to fraction form
   2,620,273.50/5,555,475 = 5,555,475/x
3. Step 3: Cross multiply
   2,620,273.50x = 5,555,475 × 5,555,475
4. Step 4: Simplify right side
   2,620,273.50x = 30,863,302,475,625
5. Step 5: Solve for x
   x = 30,863,302,475,625/2,620,273.50
6. Step 6: Final answer
   x = 11,778,656.88