Finding the Third Proportional to 74,320.50 and 111,504.75

Step by Step Solution

1. Step 1: Write the proportion equation
   74,320.50 : 111,504.75 = 111,504.75 : x
2. Step 2: Convert to fraction form
   74,320.50/111,504.75 = 111,504.75/x
3. Step 3: Cross multiply
   74,320.50x = 111,504.75 × 111,504.75
4. Step 4: Simplify right side
   74,320.50x = 12,433,309,272.56
5. Step 5: Solve for x
   x = 12,433,309,272.56/74,320.50
6. Step 6: Final answer
   x = 167,293.13