Finding the Third Proportional to 4,430.25 and 5,911.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,430.25 : 5,911.31 = 5,911.31 : x
2. Step 2: Convert to fraction form
   4,430.25/5,911.31 = 5,911.31/x
3. Step 3: Cross multiply
   4,430.25x = 5,911.31 × 5,911.31
4. Step 4: Simplify right side
   4,430.25x = 34,943,615.47
5. Step 5: Solve for x
   x = 34,943,615.47/4,430.25
6. Step 6: Final answer
   x = 7,887.50