Finding the Third Proportional to 2,535,858 and 5,471,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535,858 : 5,471,185.50 = 5,471,185.50 : x
2. Step 2: Convert to fraction form
   2,535,858/5,471,185.50 = 5,471,185.50/x
3. Step 3: Cross multiply
   2,535,858x = 5,471,185.50 × 5,471,185.50
4. Step 4: Simplify right side
   2,535,858x = 29,933,870,775,410.25
5. Step 5: Solve for x
   x = 29,933,870,775,410.25/2,535,858
6. Step 6: Final answer
   x = 11,804,237.77