Finding the Third Proportional to 72,209.81 and 158,032.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,209.81 : 158,032.69 = 158,032.69 : x
2. Step 2: Convert to fraction form
   72,209.81/158,032.69 = 158,032.69/x
3. Step 3: Cross multiply
   72,209.81x = 158,032.69 × 158,032.69
4. Step 4: Simplify right side
   72,209.81x = 24,974,330,318.47
5. Step 5: Solve for x
   x = 24,974,330,318.47/72,209.81
6. Step 6: Final answer
   x = 345,857.85