Finding the Third Proportional to 73,770 and 158,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,770 : 158,290.50 = 158,290.50 : x
2. Step 2: Convert to fraction form
   73,770/158,290.50 = 158,290.50/x
3. Step 3: Cross multiply
   73,770x = 158,290.50 × 158,290.50
4. Step 4: Simplify right side
   73,770x = 25,055,882,390.25
5. Step 5: Solve for x
   x = 25,055,882,390.25/73,770
6. Step 6: Final answer
   x = 339,648.67