Finding the Third Proportional to 7,710.19 and 17,764.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,710.19 : 17,764.31 = 17,764.31 : x
2. Step 2: Convert to fraction form
   7,710.19/17,764.31 = 17,764.31/x
3. Step 3: Cross multiply
   7,710.19x = 17,764.31 × 17,764.31
4. Step 4: Simplify right side
   7,710.19x = 315,570,798.60
5. Step 5: Solve for x
   x = 315,570,798.60/7,710.19
6. Step 6: Final answer
   x = 40,929.07