Finding the Third Proportional to 2,154,849.75 and 3,213,587.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,849.75 : 3,213,587.25 = 3,213,587.25 : x
2. Step 2: Convert to fraction form
   2,154,849.75/3,213,587.25 = 3,213,587.25/x
3. Step 3: Cross multiply
   2,154,849.75x = 3,213,587.25 × 3,213,587.25
4. Step 4: Simplify right side
   2,154,849.75x = 10,327,143,013,362.56
5. Step 5: Solve for x
   x = 10,327,143,013,362.56/2,154,849.75
6. Step 6: Final answer
   x = 4,792,511.87