Finding the Third Proportional to 51,218.25 and 111,775.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,218.25 : 111,775.50 = 111,775.50 : x
2. Step 2: Convert to fraction form
   51,218.25/111,775.50 = 111,775.50/x
3. Step 3: Cross multiply
   51,218.25x = 111,775.50 × 111,775.50
4. Step 4: Simplify right side
   51,218.25x = 12,493,762,400.25
5. Step 5: Solve for x
   x = 12,493,762,400.25/51,218.25
6. Step 6: Final answer
   x = 243,931.85