Finding the Third Proportional to 43,236 and 55,245.38

Step by Step Solution

1. Step 1: Write the proportion equation
   43,236 : 55,245.38 = 55,245.38 : x
2. Step 2: Convert to fraction form
   43,236/55,245.38 = 55,245.38/x
3. Step 3: Cross multiply
   43,236x = 55,245.38 × 55,245.38
4. Step 4: Simplify right side
   43,236x = 3,052,051,458.89
5. Step 5: Solve for x
   x = 3,052,051,458.89/43,236
6. Step 6: Final answer
   x = 70,590.51