Finding the Third Proportional to 40,413 and 89,247

Step by Step Solution

1. Step 1: Write the proportion equation
   40,413 : 89,247 = 89,247 : x
2. Step 2: Convert to fraction form
   40,413/89,247 = 89,247/x
3. Step 3: Cross multiply
   40,413x = 89,247 × 89,247
4. Step 4: Simplify right side
   40,413x = 7,965,027,009
5. Step 5: Solve for x
   x = 7,965,027,009/40,413
6. Step 6: Final answer
   x = 197,090.71