Finding the Third Proportional to 2,620,840 and 5,606,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,840 : 5,606,019.50 = 5,606,019.50 : x
2. Step 2: Convert to fraction form
   2,620,840/5,606,019.50 = 5,606,019.50/x
3. Step 3: Cross multiply
   2,620,840x = 5,606,019.50 × 5,606,019.50
4. Step 4: Simplify right side
   2,620,840x = 31,427,454,634,380.25
5. Step 5: Solve for x
   x = 31,427,454,634,380.25/2,620,840
6. Step 6: Final answer
   x = 11,991,367.13