Finding the Third Proportional to 111,884 and 242,816

Step by Step Solution

1. Step 1: Write the proportion equation
   111,884 : 242,816 = 242,816 : x
2. Step 2: Convert to fraction form
   111,884/242,816 = 242,816/x
3. Step 3: Cross multiply
   111,884x = 242,816 × 242,816
4. Step 4: Simplify right side
   111,884x = 58,959,609,856
5. Step 5: Solve for x
   x = 58,959,609,856/111,884
6. Step 6: Final answer
   x = 526,970.88