Finding the Third Proportional to 55,098.56 and 81,837.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,098.56 : 81,837.56 = 81,837.56 : x
2. Step 2: Convert to fraction form
   55,098.56/81,837.56 = 81,837.56/x
3. Step 3: Cross multiply
   55,098.56x = 81,837.56 × 81,837.56
4. Step 4: Simplify right side
   55,098.56x = 6,697,386,635.94
5. Step 5: Solve for x
   x = 6,697,386,635.94/55,098.56
6. Step 6: Final answer
   x = 121,552.84