Finding the Third Proportional to 90,630 and 133,300

Step by Step Solution

1. Step 1: Write the proportion equation
   90,630 : 133,300 = 133,300 : x
2. Step 2: Convert to fraction form
   90,630/133,300 = 133,300/x
3. Step 3: Cross multiply
   90,630x = 133,300 × 133,300
4. Step 4: Simplify right side
   90,630x = 17,768,890,000
5. Step 5: Solve for x
   x = 17,768,890,000/90,630
6. Step 6: Final answer
   x = 196,059.69