Finding the Third Proportional to 55,383.75 and 81,225.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,383.75 : 81,225.28 = 81,225.28 : x
2. Step 2: Convert to fraction form
   55,383.75/81,225.28 = 81,225.28/x
3. Step 3: Cross multiply
   55,383.75x = 81,225.28 × 81,225.28
4. Step 4: Simplify right side
   55,383.75x = 6,597,546,314.14
5. Step 5: Solve for x
   x = 6,597,546,314.14/55,383.75
6. Step 6: Final answer
   x = 119,124.23