Finding the Third Proportional to 108,895.50 and 173,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,895.50 : 173,389.50 = 173,389.50 : x
2. Step 2: Convert to fraction form
   108,895.50/173,389.50 = 173,389.50/x
3. Step 3: Cross multiply
   108,895.50x = 173,389.50 × 173,389.50
4. Step 4: Simplify right side
   108,895.50x = 30,063,918,710.25
5. Step 5: Solve for x
   x = 30,063,918,710.25/108,895.50
6. Step 6: Final answer
   x = 276,080.45