Finding the Third Proportional to 111,579 and 242,844

Step by Step Solution

1. Step 1: Write the proportion equation
   111,579 : 242,844 = 242,844 : x
2. Step 2: Convert to fraction form
   111,579/242,844 = 242,844/x
3. Step 3: Cross multiply
   111,579x = 242,844 × 242,844
4. Step 4: Simplify right side
   111,579x = 58,973,208,336
5. Step 5: Solve for x
   x = 58,973,208,336/111,579
6. Step 6: Final answer
   x = 528,533.22