Finding the Third Proportional to 33,809 and 72,141

Step by Step Solution

1. Step 1: Write the proportion equation
   33,809 : 72,141 = 72,141 : x
2. Step 2: Convert to fraction form
   33,809/72,141 = 72,141/x
3. Step 3: Cross multiply
   33,809x = 72,141 × 72,141
4. Step 4: Simplify right side
   33,809x = 5,204,323,881
5. Step 5: Solve for x
   x = 5,204,323,881/33,809
6. Step 6: Final answer
   x = 153,933.09