Finding the Third Proportional to 55,957.75 and 86,773.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,957.75 : 86,773.31 = 86,773.31 : x
2. Step 2: Convert to fraction form
   55,957.75/86,773.31 = 86,773.31/x
3. Step 3: Cross multiply
   55,957.75x = 86,773.31 × 86,773.31
4. Step 4: Simplify right side
   55,957.75x = 7,529,607,762.22
5. Step 5: Solve for x
   x = 7,529,607,762.22/55,957.75
6. Step 6: Final answer
   x = 134,558.80