Finding the Third Proportional to 72,510.19 and 159,301.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,510.19 : 159,301.69 = 159,301.69 : x
2. Step 2: Convert to fraction form
   72,510.19/159,301.69 = 159,301.69/x
3. Step 3: Cross multiply
   72,510.19x = 159,301.69 × 159,301.69
4. Step 4: Simplify right side
   72,510.19x = 25,377,027,640.35
5. Step 5: Solve for x
   x = 25,377,027,640.35/72,510.19
6. Step 6: Final answer
   x = 349,978.79