Finding the Third Proportional to 89,134 and 194,260

Step by Step Solution

1. Step 1: Write the proportion equation
   89,134 : 194,260 = 194,260 : x
2. Step 2: Convert to fraction form
   89,134/194,260 = 194,260/x
3. Step 3: Cross multiply
   89,134x = 194,260 × 194,260
4. Step 4: Simplify right side
   89,134x = 37,736,947,600
5. Step 5: Solve for x
   x = 37,736,947,600/89,134
6. Step 6: Final answer
   x = 423,373.21