Finding the Third Proportional to 51,222 and 111,783

Step by Step Solution

1. Step 1: Write the proportion equation
   51,222 : 111,783 = 111,783 : x
2. Step 2: Convert to fraction form
   51,222/111,783 = 111,783/x
3. Step 3: Cross multiply
   51,222x = 111,783 × 111,783
4. Step 4: Simplify right side
   51,222x = 12,495,439,089
5. Step 5: Solve for x
   x = 12,495,439,089/51,222
6. Step 6: Final answer
   x = 243,946.72