Finding the Third Proportional to 89,410 and 191,800

Step by Step Solution

1. Step 1: Write the proportion equation
   89,410 : 191,800 = 191,800 : x
2. Step 2: Convert to fraction form
   89,410/191,800 = 191,800/x
3. Step 3: Cross multiply
   89,410x = 191,800 × 191,800
4. Step 4: Simplify right side
   89,410x = 36,787,240,000
5. Step 5: Solve for x
   x = 36,787,240,000/89,410
6. Step 6: Final answer
   x = 411,444.36