Finding the Third Proportional to 74,015.50 and 109,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,015.50 : 109,747.50 = 109,747.50 : x
2. Step 2: Convert to fraction form
   74,015.50/109,747.50 = 109,747.50/x
3. Step 3: Cross multiply
   74,015.50x = 109,747.50 × 109,747.50
4. Step 4: Simplify right side
   74,015.50x = 12,044,513,756.25
5. Step 5: Solve for x
   x = 12,044,513,756.25/74,015.50
6. Step 6: Final answer
   x = 162,729.61