Finding the Third Proportional to 55,523.25 and 84,665.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,523.25 : 84,665.25 = 84,665.25 : x
2. Step 2: Convert to fraction form
   55,523.25/84,665.25 = 84,665.25/x
3. Step 3: Cross multiply
   55,523.25x = 84,665.25 × 84,665.25
4. Step 4: Simplify right side
   55,523.25x = 7,168,204,557.56
5. Step 5: Solve for x
   x = 7,168,204,557.56/55,523.25
6. Step 6: Final answer
   x = 129,102.76