Finding the Third Proportional to 20,355.05 and 43,181.86

Step by Step Solution

1. Step 1: Write the proportion equation
   20,355.05 : 43,181.86 = 43,181.86 : x
2. Step 2: Convert to fraction form
   20,355.05/43,181.86 = 43,181.86/x
3. Step 3: Cross multiply
   20,355.05x = 43,181.86 × 43,181.86
4. Step 4: Simplify right side
   20,355.05x = 1,864,672,979.08
5. Step 5: Solve for x
   x = 1,864,672,979.08/20,355.05
6. Step 6: Final answer
   x = 91,607.40