Finding the Third Proportional to 55,586.81 and 83,228.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,586.81 : 83,228.34 = 83,228.34 : x
2. Step 2: Convert to fraction form
   55,586.81/83,228.34 = 83,228.34/x
3. Step 3: Cross multiply
   55,586.81x = 83,228.34 × 83,228.34
4. Step 4: Simplify right side
   55,586.81x = 6,926,957,203.37
5. Step 5: Solve for x
   x = 6,926,957,203.37/55,586.81
6. Step 6: Final answer
   x = 124,615.12