Finding the Third Proportional to 243,524 and 520,662

Step by Step Solution

1. Step 1: Write the proportion equation
   243,524 : 520,662 = 520,662 : x
2. Step 2: Convert to fraction form
   243,524/520,662 = 520,662/x
3. Step 3: Cross multiply
   243,524x = 520,662 × 520,662
4. Step 4: Simplify right side
   243,524x = 271,088,918,244
5. Step 5: Solve for x
   x = 271,088,918,244/243,524
6. Step 6: Final answer
   x = 1,113,191.79