Finding the Third Proportional to 72,219.09 and 161,034.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,219.09 : 161,034.33 = 161,034.33 : x
2. Step 2: Convert to fraction form
   72,219.09/161,034.33 = 161,034.33/x
3. Step 3: Cross multiply
   72,219.09x = 161,034.33 × 161,034.33
4. Step 4: Simplify right side
   72,219.09x = 25,932,054,834.67
5. Step 5: Solve for x
   x = 25,932,054,834.67/72,219.09
6. Step 6: Final answer
   x = 359,074.77