Finding the Third Proportional to 113,817 and 169,945

Step by Step Solution

1. Step 1: Write the proportion equation
   113,817 : 169,945 = 169,945 : x
2. Step 2: Convert to fraction form
   113,817/169,945 = 169,945/x
3. Step 3: Cross multiply
   113,817x = 169,945 × 169,945
4. Step 4: Simplify right side
   113,817x = 28,881,303,025
5. Step 5: Solve for x
   x = 28,881,303,025/113,817
6. Step 6: Final answer
   x = 253,752.10