Finding the Third Proportional to 91,958.50 and 140,611

Step by Step Solution

1. Step 1: Write the proportion equation
   91,958.50 : 140,611 = 140,611 : x
2. Step 2: Convert to fraction form
   91,958.50/140,611 = 140,611/x
3. Step 3: Cross multiply
   91,958.50x = 140,611 × 140,611
4. Step 4: Simplify right side
   91,958.50x = 19,771,453,321
5. Step 5: Solve for x
   x = 19,771,453,321/91,958.50
6. Step 6: Final answer
   x = 215,004.09