Finding the Third Proportional to 74,116.50 and 109,217.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,116.50 : 109,217.25 = 109,217.25 : x
2. Step 2: Convert to fraction form
   74,116.50/109,217.25 = 109,217.25/x
3. Step 3: Cross multiply
   74,116.50x = 109,217.25 × 109,217.25
4. Step 4: Simplify right side
   74,116.50x = 11,928,407,697.56
5. Step 5: Solve for x
   x = 11,928,407,697.56/74,116.50
6. Step 6: Final answer
   x = 160,941.32