Finding the Third Proportional to 90,700 and 133,280

Step by Step Solution

1. Step 1: Write the proportion equation
   90,700 : 133,280 = 133,280 : x
2. Step 2: Convert to fraction form
   90,700/133,280 = 133,280/x
3. Step 3: Cross multiply
   90,700x = 133,280 × 133,280
4. Step 4: Simplify right side
   90,700x = 17,763,558,400
5. Step 5: Solve for x
   x = 17,763,558,400/90,700
6. Step 6: Final answer
   x = 195,849.60