Finding the Third Proportional to 25,118.50 and 51,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,118.50 : 51,870.50 = 51,870.50 : x
2. Step 2: Convert to fraction form
   25,118.50/51,870.50 = 51,870.50/x
3. Step 3: Cross multiply
   25,118.50x = 51,870.50 × 51,870.50
4. Step 4: Simplify right side
   25,118.50x = 2,690,548,770.25
5. Step 5: Solve for x
   x = 2,690,548,770.25/25,118.50
6. Step 6: Final answer
   x = 107,114.23