Finding the Third Proportional to 57,774.94 and 86,273.44

Step by Step Solution

1. Step 1: Write the proportion equation
   57,774.94 : 86,273.44 = 86,273.44 : x
2. Step 2: Convert to fraction form
   57,774.94/86,273.44 = 86,273.44/x
3. Step 3: Cross multiply
   57,774.94x = 86,273.44 × 86,273.44
4. Step 4: Simplify right side
   57,774.94x = 7,443,106,018.07
5. Step 5: Solve for x
   x = 7,443,106,018.07/57,774.94
6. Step 6: Final answer
   x = 128,829.32