Finding the Third Proportional to 58,054.28 and 81,754.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,054.28 : 81,754.61 = 81,754.61 : x
2. Step 2: Convert to fraction form
   58,054.28/81,754.61 = 81,754.61/x
3. Step 3: Cross multiply
   58,054.28x = 81,754.61 × 81,754.61
4. Step 4: Simplify right side
   58,054.28x = 6,683,816,114.14
5. Step 5: Solve for x
   x = 6,683,816,114.14/58,054.28
6. Step 6: Final answer
   x = 115,130.47