Finding the Third Proportional to 91,009.83 and 142,456.54

Step by Step Solution

1. Step 1: Write the proportion equation
   91,009.83 : 142,456.54 = 142,456.54 : x
2. Step 2: Convert to fraction form
   91,009.83/142,456.54 = 142,456.54/x
3. Step 3: Cross multiply
   91,009.83x = 142,456.54 × 142,456.54
4. Step 4: Simplify right side
   91,009.83x = 20,293,864,408.72
5. Step 5: Solve for x
   x = 20,293,864,408.72/91,009.83
6. Step 6: Final answer
   x = 222,985.42