Finding the Third Proportional to 67,636.25 and 105,138.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,636.25 : 105,138.38 = 105,138.38 : x
2. Step 2: Convert to fraction form
   67,636.25/105,138.38 = 105,138.38/x
3. Step 3: Cross multiply
   67,636.25x = 105,138.38 × 105,138.38
4. Step 4: Simplify right side
   67,636.25x = 11,054,077,897.64
5. Step 5: Solve for x
   x = 11,054,077,897.64/67,636.25
6. Step 6: Final answer
   x = 163,434.22