Finding the Third Proportional to 31,155.09 and 67,568.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.09 : 67,568.44 = 67,568.44 : x
2. Step 2: Convert to fraction form
   31,155.09/67,568.44 = 67,568.44/x
3. Step 3: Cross multiply
   31,155.09x = 67,568.44 × 67,568.44
4. Step 4: Simplify right side
   31,155.09x = 4,565,493,746.19
5. Step 5: Solve for x
   x = 4,565,493,746.19/31,155.09
6. Step 6: Final answer
   x = 146,540.84