Finding the Third Proportional to 243,213 and 520,050

Step by Step Solution

1. Step 1: Write the proportion equation
   243,213 : 520,050 = 520,050 : x
2. Step 2: Convert to fraction form
   243,213/520,050 = 520,050/x
3. Step 3: Cross multiply
   243,213x = 520,050 × 520,050
4. Step 4: Simplify right side
   243,213x = 270,452,002,500
5. Step 5: Solve for x
   x = 270,452,002,500/243,213
6. Step 6: Final answer
   x = 1,111,996.49