Finding the Third Proportional to 72,111.94 and 157,818.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,111.94 : 157,818.38 = 157,818.38 : x
2. Step 2: Convert to fraction form
   72,111.94/157,818.38 = 157,818.38/x
3. Step 3: Cross multiply
   72,111.94x = 157,818.38 × 157,818.38
4. Step 4: Simplify right side
   72,111.94x = 24,906,639,487.64
5. Step 5: Solve for x
   x = 24,906,639,487.64/72,111.94
6. Step 6: Final answer
   x = 345,388.58