Finding the Third Proportional to 83,389.50 and 173,691

Step by Step Solution

1. Step 1: Write the proportion equation
   83,389.50 : 173,691 = 173,691 : x
2. Step 2: Convert to fraction form
   83,389.50/173,691 = 173,691/x
3. Step 3: Cross multiply
   83,389.50x = 173,691 × 173,691
4. Step 4: Simplify right side
   83,389.50x = 30,168,563,481
5. Step 5: Solve for x
   x = 30,168,563,481/83,389.50
6. Step 6: Final answer
   x = 361,778.92