Finding the Third Proportional to 111,065 and 243,745

Step by Step Solution

1. Step 1: Write the proportion equation
   111,065 : 243,745 = 243,745 : x
2. Step 2: Convert to fraction form
   111,065/243,745 = 243,745/x
3. Step 3: Cross multiply
   111,065x = 243,745 × 243,745
4. Step 4: Simplify right side
   111,065x = 59,411,625,025
5. Step 5: Solve for x
   x = 59,411,625,025/111,065
6. Step 6: Final answer
   x = 534,926.62