Finding the Third Proportional to 111,008 and 242,316

Step by Step Solution

1. Step 1: Write the proportion equation
   111,008 : 242,316 = 242,316 : x
2. Step 2: Convert to fraction form
   111,008/242,316 = 242,316/x
3. Step 3: Cross multiply
   111,008x = 242,316 × 242,316
4. Step 4: Simplify right side
   111,008x = 58,717,043,856
5. Step 5: Solve for x
   x = 58,717,043,856/111,008
6. Step 6: Final answer
   x = 528,944.25