Finding the Third Proportional to 74,568 and 112,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,568 : 112,939.50 = 112,939.50 : x
2. Step 2: Convert to fraction form
   74,568/112,939.50 = 112,939.50/x
3. Step 3: Cross multiply
   74,568x = 112,939.50 × 112,939.50
4. Step 4: Simplify right side
   74,568x = 12,755,330,660.25
5. Step 5: Solve for x
   x = 12,755,330,660.25/74,568
6. Step 6: Final answer
   x = 171,056.36