Finding the Third Proportional to 111,614.06 and 263,426.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,614.06 : 263,426.63 = 263,426.63 : x
2. Step 2: Convert to fraction form
   111,614.06/263,426.63 = 263,426.63/x
3. Step 3: Cross multiply
   111,614.06x = 263,426.63 × 263,426.63
4. Step 4: Simplify right side
   111,614.06x = 69,393,586,758.89
5. Step 5: Solve for x
   x = 69,393,586,758.89/111,614.06
6. Step 6: Final answer
   x = 621,727.99