Finding the Third Proportional to 111,702 and 243,062

Step by Step Solution

1. Step 1: Write the proportion equation
   111,702 : 243,062 = 243,062 : x
2. Step 2: Convert to fraction form
   111,702/243,062 = 243,062/x
3. Step 3: Cross multiply
   111,702x = 243,062 × 243,062
4. Step 4: Simplify right side
   111,702x = 59,079,135,844
5. Step 5: Solve for x
   x = 59,079,135,844/111,702
6. Step 6: Final answer
   x = 528,899.53