Finding the Third Proportional to 110,820 and 243,780

Step by Step Solution

1. Step 1: Write the proportion equation
   110,820 : 243,780 = 243,780 : x
2. Step 2: Convert to fraction form
   110,820/243,780 = 243,780/x
3. Step 3: Cross multiply
   110,820x = 243,780 × 243,780
4. Step 4: Simplify right side
   110,820x = 59,428,688,400
5. Step 5: Solve for x
   x = 59,428,688,400/110,820
6. Step 6: Final answer
   x = 536,263.21