Finding the Third Proportional to 58,069.41 and 81,777.09

Step by Step Solution

1. Step 1: Write the proportion equation
   58,069.41 : 81,777.09 = 81,777.09 : x
2. Step 2: Convert to fraction form
   58,069.41/81,777.09 = 81,777.09/x
3. Step 3: Cross multiply
   58,069.41x = 81,777.09 × 81,777.09
4. Step 4: Simplify right side
   58,069.41x = 6,687,493,062.20
5. Step 5: Solve for x
   x = 6,687,493,062.20/58,069.41
6. Step 6: Final answer
   x = 115,163.79