Finding the Third Proportional to 109,554 and 173,326.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,554 : 173,326.50 = 173,326.50 : x
2. Step 2: Convert to fraction form
   109,554/173,326.50 = 173,326.50/x
3. Step 3: Cross multiply
   109,554x = 173,326.50 × 173,326.50
4. Step 4: Simplify right side
   109,554x = 30,042,075,602.25
5. Step 5: Solve for x
   x = 30,042,075,602.25/109,554
6. Step 6: Final answer
   x = 274,221.62