Finding the Third Proportional to 74,929.50 and 160,488

Step by Step Solution

1. Step 1: Write the proportion equation
   74,929.50 : 160,488 = 160,488 : x
2. Step 2: Convert to fraction form
   74,929.50/160,488 = 160,488/x
3. Step 3: Cross multiply
   74,929.50x = 160,488 × 160,488
4. Step 4: Simplify right side
   74,929.50x = 25,756,398,144
5. Step 5: Solve for x
   x = 25,756,398,144/74,929.50
6. Step 6: Final answer
   x = 343,741.76