Finding the Third Proportional to 110,721 and 162,390.75

Step by Step Solution

1. Step 1: Write the proportion equation
   110,721 : 162,390.75 = 162,390.75 : x
2. Step 2: Convert to fraction form
   110,721/162,390.75 = 162,390.75/x
3. Step 3: Cross multiply
   110,721x = 162,390.75 × 162,390.75
4. Step 4: Simplify right side
   110,721x = 26,370,755,685.56
5. Step 5: Solve for x
   x = 26,370,755,685.56/110,721
6. Step 6: Final answer
   x = 238,173.03