Finding the Third Proportional to 109,413 and 173,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,413 : 173,029.50 = 173,029.50 : x
2. Step 2: Convert to fraction form
   109,413/173,029.50 = 173,029.50/x
3. Step 3: Cross multiply
   109,413x = 173,029.50 × 173,029.50
4. Step 4: Simplify right side
   109,413x = 29,939,207,870.25
5. Step 5: Solve for x
   x = 29,939,207,870.25/109,413
6. Step 6: Final answer
   x = 273,634.83