Finding the Third Proportional to 118,668 and 158,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,668 : 158,518.50 = 158,518.50 : x
2. Step 2: Convert to fraction form
   118,668/158,518.50 = 158,518.50/x
3. Step 3: Cross multiply
   118,668x = 158,518.50 × 158,518.50
4. Step 4: Simplify right side
   118,668x = 25,128,114,842.25
5. Step 5: Solve for x
   x = 25,128,114,842.25/118,668
6. Step 6: Final answer
   x = 211,751.40