Finding the Third Proportional to 56,901.38 and 81,968.63

Step by Step Solution

1. Step 1: Write the proportion equation
   56,901.38 : 81,968.63 = 81,968.63 : x
2. Step 2: Convert to fraction form
   56,901.38/81,968.63 = 81,968.63/x
3. Step 3: Cross multiply
   56,901.38x = 81,968.63 × 81,968.63
4. Step 4: Simplify right side
   56,901.38x = 6,718,855,484.39
5. Step 5: Solve for x
   x = 6,718,855,484.39/56,901.38
6. Step 6: Final answer
   x = 118,078.97