Finding the Third Proportional to 112,923 and 242,146

Step by Step Solution

1. Step 1: Write the proportion equation
   112,923 : 242,146 = 242,146 : x
2. Step 2: Convert to fraction form
   112,923/242,146 = 242,146/x
3. Step 3: Cross multiply
   112,923x = 242,146 × 242,146
4. Step 4: Simplify right side
   112,923x = 58,634,685,316
5. Step 5: Solve for x
   x = 58,634,685,316/112,923
6. Step 6: Final answer
   x = 519,244.84