Finding the Third Proportional to 2,576,776.50 and 5,821,643.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,776.50 : 5,821,643.25 = 5,821,643.25 : x
2. Step 2: Convert to fraction form
   2,576,776.50/5,821,643.25 = 5,821,643.25/x
3. Step 3: Cross multiply
   2,576,776.50x = 5,821,643.25 × 5,821,643.25
4. Step 4: Simplify right side
   2,576,776.50x = 33,891,530,130,270.56
5. Step 5: Solve for x
   x = 33,891,530,130,270.56/2,576,776.50
6. Step 6: Final answer
   x = 13,152,685.20