Finding the Third Proportional to 140,980.50 and 215,935.88

Step by Step Solution

1. Step 1: Write the proportion equation
   140,980.50 : 215,935.88 = 215,935.88 : x
2. Step 2: Convert to fraction form
   140,980.50/215,935.88 = 215,935.88/x
3. Step 3: Cross multiply
   140,980.50x = 215,935.88 × 215,935.88
4. Step 4: Simplify right side
   140,980.50x = 46,628,302,112.02
5. Step 5: Solve for x
   x = 46,628,302,112.02/140,980.50
6. Step 6: Final answer
   x = 330,742.92