Finding the Third Proportional to 140,610.94 and 200,930.63

Step by Step Solution

1. Step 1: Write the proportion equation
   140,610.94 : 200,930.63 = 200,930.63 : x
2. Step 2: Convert to fraction form
   140,610.94/200,930.63 = 200,930.63/x
3. Step 3: Cross multiply
   140,610.94x = 200,930.63 × 200,930.63
4. Step 4: Simplify right side
   140,610.94x = 40,373,116,062.89
5. Step 5: Solve for x
   x = 40,373,116,062.89/140,610.94
6. Step 6: Final answer
   x = 287,126.43