Finding the Third Proportional to 69,120 and 105,732

Step by Step Solution

1. Step 1: Write the proportion equation
   69,120 : 105,732 = 105,732 : x
2. Step 2: Convert to fraction form
   69,120/105,732 = 105,732/x
3. Step 3: Cross multiply
   69,120x = 105,732 × 105,732
4. Step 4: Simplify right side
   69,120x = 11,179,255,824
5. Step 5: Solve for x
   x = 11,179,255,824/69,120
6. Step 6: Final answer
   x = 161,736.92