Finding the Third Proportional to 81,868.22 and 173,669.06

Step by Step Solution

1. Step 1: Write the proportion equation
   81,868.22 : 173,669.06 = 173,669.06 : x
2. Step 2: Convert to fraction form
   81,868.22/173,669.06 = 173,669.06/x
3. Step 3: Cross multiply
   81,868.22x = 173,669.06 × 173,669.06
4. Step 4: Simplify right side
   81,868.22x = 30,160,943,269.63
5. Step 5: Solve for x
   x = 30,160,943,269.63/81,868.22
6. Step 6: Final answer
   x = 368,408.45