Finding the Third Proportional to 98,700 and 140,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,700 : 140,668.50 = 140,668.50 : x
2. Step 2: Convert to fraction form
   98,700/140,668.50 = 140,668.50/x
3. Step 3: Cross multiply
   98,700x = 140,668.50 × 140,668.50
4. Step 4: Simplify right side
   98,700x = 19,787,626,892.25
5. Step 5: Solve for x
   x = 19,787,626,892.25/98,700
6. Step 6: Final answer
   x = 200,482.54