Finding the Third Proportional to 25,297.31 and 55,515.38

Step by Step Solution

1. Step 1: Write the proportion equation
   25,297.31 : 55,515.38 = 55,515.38 : x
2. Step 2: Convert to fraction form
   25,297.31/55,515.38 = 55,515.38/x
3. Step 3: Cross multiply
   25,297.31x = 55,515.38 × 55,515.38
4. Step 4: Simplify right side
   25,297.31x = 3,081,956,861.39
5. Step 5: Solve for x
   x = 3,081,956,861.39/25,297.31
6. Step 6: Final answer
   x = 121,829.42