Finding the Third Proportional to 25,920 and 55,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,920 : 55,930.50 = 55,930.50 : x
2. Step 2: Convert to fraction form
   25,920/55,930.50 = 55,930.50/x
3. Step 3: Cross multiply
   25,920x = 55,930.50 × 55,930.50
4. Step 4: Simplify right side
   25,920x = 3,128,220,830.25
5. Step 5: Solve for x
   x = 3,128,220,830.25/25,920
6. Step 6: Final answer
   x = 120,687.53