Finding the Third Proportional to 110,884 and 243,890

Step by Step Solution

1. Step 1: Write the proportion equation
   110,884 : 243,890 = 243,890 : x
2. Step 2: Convert to fraction form
   110,884/243,890 = 243,890/x
3. Step 3: Cross multiply
   110,884x = 243,890 × 243,890
4. Step 4: Simplify right side
   110,884x = 59,482,332,100
5. Step 5: Solve for x
   x = 59,482,332,100/110,884
6. Step 6: Final answer
   x = 536,437.47