Finding the Third Proportional to 55,957.50 and 86,772.94

Step by Step Solution

1. Step 1: Write the proportion equation
   55,957.50 : 86,772.94 = 86,772.94 : x
2. Step 2: Convert to fraction form
   55,957.50/86,772.94 = 86,772.94/x
3. Step 3: Cross multiply
   55,957.50x = 86,772.94 × 86,772.94
4. Step 4: Simplify right side
   55,957.50x = 7,529,542,682.38
5. Step 5: Solve for x
   x = 7,529,542,682.38/55,957.50
6. Step 6: Final answer
   x = 134,558.24