Finding the Third Proportional to 42,177 and 89,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,177 : 89,818.50 = 89,818.50 : x
2. Step 2: Convert to fraction form
   42,177/89,818.50 = 89,818.50/x
3. Step 3: Cross multiply
   42,177x = 89,818.50 × 89,818.50
4. Step 4: Simplify right side
   42,177x = 8,067,362,942.25
5. Step 5: Solve for x
   x = 8,067,362,942.25/42,177
6. Step 6: Final answer
   x = 191,273.99