Finding the Third Proportional to 140,218.88 and 196,750.69

Step by Step Solution

1. Step 1: Write the proportion equation
   140,218.88 : 196,750.69 = 196,750.69 : x
2. Step 2: Convert to fraction form
   140,218.88/196,750.69 = 196,750.69/x
3. Step 3: Cross multiply
   140,218.88x = 196,750.69 × 196,750.69
4. Step 4: Simplify right side
   140,218.88x = 38,710,833,031.72
5. Step 5: Solve for x
   x = 38,710,833,031.72/140,218.88
6. Step 6: Final answer
   x = 276,074.34