Finding the Third Proportional to 57,395.94 and 86,151.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,395.94 : 86,151.57 = 86,151.57 : x
2. Step 2: Convert to fraction form
   57,395.94/86,151.57 = 86,151.57/x
3. Step 3: Cross multiply
   57,395.94x = 86,151.57 × 86,151.57
4. Step 4: Simplify right side
   57,395.94x = 7,422,092,730.78
5. Step 5: Solve for x
   x = 7,422,092,730.78/57,395.94
6. Step 6: Final answer
   x = 129,313.91