Finding the Third Proportional to 122,134 and 194,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,134 : 194,284.50 = 194,284.50 : x
2. Step 2: Convert to fraction form
   122,134/194,284.50 = 194,284.50/x
3. Step 3: Cross multiply
   122,134x = 194,284.50 × 194,284.50
4. Step 4: Simplify right side
   122,134x = 37,746,466,940.25
5. Step 5: Solve for x
   x = 37,746,466,940.25/122,134
6. Step 6: Final answer
   x = 309,057.81