Finding the Third Proportional to 57,727.69 and 112,539.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,727.69 : 112,539.38 = 112,539.38 : x
2. Step 2: Convert to fraction form
   57,727.69/112,539.38 = 112,539.38/x
3. Step 3: Cross multiply
   57,727.69x = 112,539.38 × 112,539.38
4. Step 4: Simplify right side
   57,727.69x = 12,665,110,925.39
5. Step 5: Solve for x
   x = 12,665,110,925.39/57,727.69
6. Step 6: Final answer
   x = 219,394.05