Finding the Third Proportional to 91,375.88 and 140,630.63

Step by Step Solution

1. Step 1: Write the proportion equation
   91,375.88 : 140,630.63 = 140,630.63 : x
2. Step 2: Convert to fraction form
   91,375.88/140,630.63 = 140,630.63/x
3. Step 3: Cross multiply
   91,375.88x = 140,630.63 × 140,630.63
4. Step 4: Simplify right side
   91,375.88x = 19,776,972,687.89
5. Step 5: Solve for x
   x = 19,776,972,687.89/91,375.88
6. Step 6: Final answer
   x = 216,435.39