Finding the Third Proportional to 55,505.75 and 82,401.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,505.75 : 82,401.25 = 82,401.25 : x
2. Step 2: Convert to fraction form
   55,505.75/82,401.25 = 82,401.25/x
3. Step 3: Cross multiply
   55,505.75x = 82,401.25 × 82,401.25
4. Step 4: Simplify right side
   55,505.75x = 6,789,966,001.56
5. Step 5: Solve for x
   x = 6,789,966,001.56/55,505.75
6. Step 6: Final answer
   x = 122,329.06