Finding the Third Proportional to 72,855.86 and 112,398.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,855.86 : 112,398.42 = 112,398.42 : x
2. Step 2: Convert to fraction form
   72,855.86/112,398.42 = 112,398.42/x
3. Step 3: Cross multiply
   72,855.86x = 112,398.42 × 112,398.42
4. Step 4: Simplify right side
   72,855.86x = 12,633,403,922.82
5. Step 5: Solve for x
   x = 12,633,403,922.82/72,855.86
6. Step 6: Final answer
   x = 173,402.71