Finding the Third Proportional to 25,698 and 55,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,698 : 55,810.50 = 55,810.50 : x
2. Step 2: Convert to fraction form
   25,698/55,810.50 = 55,810.50/x
3. Step 3: Cross multiply
   25,698x = 55,810.50 × 55,810.50
4. Step 4: Simplify right side
   25,698x = 3,114,811,910.25
5. Step 5: Solve for x
   x = 3,114,811,910.25/25,698
6. Step 6: Final answer
   x = 121,208.34