Finding the Third Proportional to 55,196.44 and 84,943.69

Step by Step Solution

1. Step 1: Write the proportion equation
   55,196.44 : 84,943.69 = 84,943.69 : x
2. Step 2: Convert to fraction form
   55,196.44/84,943.69 = 84,943.69/x
3. Step 3: Cross multiply
   55,196.44x = 84,943.69 × 84,943.69
4. Step 4: Simplify right side
   55,196.44x = 7,215,430,046.10
5. Step 5: Solve for x
   x = 7,215,430,046.10/55,196.44
6. Step 6: Final answer
   x = 130,722.75