Finding the Third Proportional to 81,433.69 and 117,478.69

Step by Step Solution

1. Step 1: Write the proportion equation
   81,433.69 : 117,478.69 = 117,478.69 : x
2. Step 2: Convert to fraction form
   81,433.69/117,478.69 = 117,478.69/x
3. Step 3: Cross multiply
   81,433.69x = 117,478.69 × 117,478.69
4. Step 4: Simplify right side
   81,433.69x = 13,801,242,016.72
5. Step 5: Solve for x
   x = 13,801,242,016.72/81,433.69
6. Step 6: Final answer
   x = 169,478.29