Finding the Third Proportional to 70,665.75 and 162,803.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,665.75 : 162,803.25 = 162,803.25 : x
2. Step 2: Convert to fraction form
   70,665.75/162,803.25 = 162,803.25/x
3. Step 3: Cross multiply
   70,665.75x = 162,803.25 × 162,803.25
4. Step 4: Simplify right side
   70,665.75x = 26,504,898,210.56
5. Step 5: Solve for x
   x = 26,504,898,210.56/70,665.75
6. Step 6: Final answer
   x = 375,074.18