Finding the Third Proportional to 161,058 and 343,443.75

Step by Step Solution

1. Step 1: Write the proportion equation
   161,058 : 343,443.75 = 343,443.75 : x
2. Step 2: Convert to fraction form
   161,058/343,443.75 = 343,443.75/x
3. Step 3: Cross multiply
   161,058x = 343,443.75 × 343,443.75
4. Step 4: Simplify right side
   161,058x = 117,953,609,414.06
5. Step 5: Solve for x
   x = 117,953,609,414.06/161,058
6. Step 6: Final answer
   x = 732,367.28