Finding the Third Proportional to 21,835.50 and 51,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,835.50 : 51,328.50 = 51,328.50 : x
2. Step 2: Convert to fraction form
   21,835.50/51,328.50 = 51,328.50/x
3. Step 3: Cross multiply
   21,835.50x = 51,328.50 × 51,328.50
4. Step 4: Simplify right side
   21,835.50x = 2,634,614,912.25
5. Step 5: Solve for x
   x = 2,634,614,912.25/21,835.50
6. Step 6: Final answer
   x = 120,657.41