Finding the Third Proportional to 90,316 and 134,166

Step by Step Solution

1. Step 1: Write the proportion equation
   90,316 : 134,166 = 134,166 : x
2. Step 2: Convert to fraction form
   90,316/134,166 = 134,166/x
3. Step 3: Cross multiply
   90,316x = 134,166 × 134,166
4. Step 4: Simplify right side
   90,316x = 18,000,515,556
5. Step 5: Solve for x
   x = 18,000,515,556/90,316
6. Step 6: Final answer
   x = 199,305.94