Finding the Third Proportional to 2,131,858.97 and 3,280,128.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,858.97 : 3,280,128.47 = 3,280,128.47 : x
2. Step 2: Convert to fraction form
   2,131,858.97/3,280,128.47 = 3,280,128.47/x
3. Step 3: Cross multiply
   2,131,858.97x = 3,280,128.47 × 3,280,128.47
4. Step 4: Simplify right side
   2,131,858.97x = 10,759,242,771,504.22
5. Step 5: Solve for x
   x = 10,759,242,771,504.22/2,131,858.97
6. Step 6: Final answer
   x = 5,046,882.99