Finding the Third Proportional to 140,984 and 215,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,984 : 215,940.50 = 215,940.50 : x
2. Step 2: Convert to fraction form
   140,984/215,940.50 = 215,940.50/x
3. Step 3: Cross multiply
   140,984x = 215,940.50 × 215,940.50
4. Step 4: Simplify right side
   140,984x = 46,630,299,540.25
5. Step 5: Solve for x
   x = 46,630,299,540.25/140,984
6. Step 6: Final answer
   x = 330,748.88