Finding the Third Proportional to 111,924 and 243,326

Step by Step Solution

1. Step 1: Write the proportion equation
   111,924 : 243,326 = 243,326 : x
2. Step 2: Convert to fraction form
   111,924/243,326 = 243,326/x
3. Step 3: Cross multiply
   111,924x = 243,326 × 243,326
4. Step 4: Simplify right side
   111,924x = 59,207,542,276
5. Step 5: Solve for x
   x = 59,207,542,276/111,924
6. Step 6: Final answer
   x = 528,997.73