Finding the Third Proportional to 40,322.81 and 85,258.83

Step by Step Solution

1. Step 1: Write the proportion equation
   40,322.81 : 85,258.83 = 85,258.83 : x
2. Step 2: Convert to fraction form
   40,322.81/85,258.83 = 85,258.83/x
3. Step 3: Cross multiply
   40,322.81x = 85,258.83 × 85,258.83
4. Step 4: Simplify right side
   40,322.81x = 7,269,067,773.25
5. Step 5: Solve for x
   x = 7,269,067,773.25/40,322.81
6. Step 6: Final answer
   x = 180,271.84