Finding the Third Proportional to 2,620,314 and 5,555,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,314 : 5,555,551.50 = 5,555,551.50 : x
2. Step 2: Convert to fraction form
   2,620,314/5,555,551.50 = 5,555,551.50/x
3. Step 3: Cross multiply
   2,620,314x = 5,555,551.50 × 5,555,551.50
4. Step 4: Simplify right side
   2,620,314x = 30,864,152,469,152.25
5. Step 5: Solve for x
   x = 30,864,152,469,152.25/2,620,314
6. Step 6: Final answer
   x = 11,778,799.21