Finding the Third Proportional to 25,869.75 and 55,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   25,869.75 : 55,428.75 = 55,428.75 : x
2. Step 2: Convert to fraction form
   25,869.75/55,428.75 = 55,428.75/x
3. Step 3: Cross multiply
   25,869.75x = 55,428.75 × 55,428.75
4. Step 4: Simplify right side
   25,869.75x = 3,072,346,326.56
5. Step 5: Solve for x
   x = 3,072,346,326.56/25,869.75
6. Step 6: Final answer
   x = 118,762.12