Finding the Third Proportional to 111,813.75 and 223,536

Step by Step Solution

1. Step 1: Write the proportion equation
   111,813.75 : 223,536 = 223,536 : x
2. Step 2: Convert to fraction form
   111,813.75/223,536 = 223,536/x
3. Step 3: Cross multiply
   111,813.75x = 223,536 × 223,536
4. Step 4: Simplify right side
   111,813.75x = 49,968,343,296
5. Step 5: Solve for x
   x = 49,968,343,296/111,813.75
6. Step 6: Final answer
   x = 446,889.07