Finding the Third Proportional to 30,411.07 and 65,317.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,411.07 : 65,317.32 = 65,317.32 : x
2. Step 2: Convert to fraction form
   30,411.07/65,317.32 = 65,317.32/x
3. Step 3: Cross multiply
   30,411.07x = 65,317.32 × 65,317.32
4. Step 4: Simplify right side
   30,411.07x = 4,266,352,843.10
5. Step 5: Solve for x
   x = 4,266,352,843.10/30,411.07
6. Step 6: Final answer
   x = 140,289.47