Finding the Third Proportional to 72,405.19 and 112,110.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,405.19 : 112,110.56 = 112,110.56 : x
2. Step 2: Convert to fraction form
   72,405.19/112,110.56 = 112,110.56/x
3. Step 3: Cross multiply
   72,405.19x = 112,110.56 × 112,110.56
4. Step 4: Simplify right side
   72,405.19x = 12,568,778,224.07
5. Step 5: Solve for x
   x = 12,568,778,224.07/72,405.19
6. Step 6: Final answer
   x = 173,589.47