Finding the Third Proportional to 113,434 and 154,146

Step by Step Solution

1. Step 1: Write the proportion equation
   113,434 : 154,146 = 154,146 : x
2. Step 2: Convert to fraction form
   113,434/154,146 = 154,146/x
3. Step 3: Cross multiply
   113,434x = 154,146 × 154,146
4. Step 4: Simplify right side
   113,434x = 23,760,989,316
5. Step 5: Solve for x
   x = 23,760,989,316/113,434
6. Step 6: Final answer
   x = 209,469.73