Finding the Third Proportional to 89,091 and 133,200

Step by Step Solution

1. Step 1: Write the proportion equation
   89,091 : 133,200 = 133,200 : x
2. Step 2: Convert to fraction form
   89,091/133,200 = 133,200/x
3. Step 3: Cross multiply
   89,091x = 133,200 × 133,200
4. Step 4: Simplify right side
   89,091x = 17,742,240,000
5. Step 5: Solve for x
   x = 17,742,240,000/89,091
6. Step 6: Final answer
   x = 199,147.39