Finding the Third Proportional to 25,388 and 55,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,388 : 55,698.50 = 55,698.50 : x
2. Step 2: Convert to fraction form
   25,388/55,698.50 = 55,698.50/x
3. Step 3: Cross multiply
   25,388x = 55,698.50 × 55,698.50
4. Step 4: Simplify right side
   25,388x = 3,102,322,902.25
5. Step 5: Solve for x
   x = 3,102,322,902.25/25,388
6. Step 6: Final answer
   x = 122,196.43