Finding the Third Proportional to 50,434.50 and 74,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,434.50 : 74,191.50 = 74,191.50 : x
2. Step 2: Convert to fraction form
   50,434.50/74,191.50 = 74,191.50/x
3. Step 3: Cross multiply
   50,434.50x = 74,191.50 × 74,191.50
4. Step 4: Simplify right side
   50,434.50x = 5,504,378,672.25
5. Step 5: Solve for x
   x = 5,504,378,672.25/50,434.50
6. Step 6: Final answer
   x = 109,139.15