Finding the Third Proportional to 73,985 and 160,540

Step by Step Solution

1. Step 1: Write the proportion equation
   73,985 : 160,540 = 160,540 : x
2. Step 2: Convert to fraction form
   73,985/160,540 = 160,540/x
3. Step 3: Cross multiply
   73,985x = 160,540 × 160,540
4. Step 4: Simplify right side
   73,985x = 25,773,091,600
5. Step 5: Solve for x
   x = 25,773,091,600/73,985
6. Step 6: Final answer
   x = 348,355.63