Finding the Third Proportional to 53,273.81 and 82,712.06

Step by Step Solution

1. Step 1: Write the proportion equation
   53,273.81 : 82,712.06 = 82,712.06 : x
2. Step 2: Convert to fraction form
   53,273.81/82,712.06 = 82,712.06/x
3. Step 3: Cross multiply
   53,273.81x = 82,712.06 × 82,712.06
4. Step 4: Simplify right side
   53,273.81x = 6,841,285,283.00
5. Step 5: Solve for x
   x = 6,841,285,283.00/53,273.81
6. Step 6: Final answer
   x = 128,417.41