Finding the Third Proportional to 89,172 and 134,514

Step by Step Solution

1. Step 1: Write the proportion equation
   89,172 : 134,514 = 134,514 : x
2. Step 2: Convert to fraction form
   89,172/134,514 = 134,514/x
3. Step 3: Cross multiply
   89,172x = 134,514 × 134,514
4. Step 4: Simplify right side
   89,172x = 18,094,016,196
5. Step 5: Solve for x
   x = 18,094,016,196/89,172
6. Step 6: Final answer
   x = 202,911.41