Finding the Third Proportional to 111,996.42 and 243,675.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,996.42 : 243,675.84 = 243,675.84 : x
2. Step 2: Convert to fraction form
   111,996.42/243,675.84 = 243,675.84/x
3. Step 3: Cross multiply
   111,996.42x = 243,675.84 × 243,675.84
4. Step 4: Simplify right side
   111,996.42x = 59,377,916,827.27
5. Step 5: Solve for x
   x = 59,377,916,827.27/111,996.42
6. Step 6: Final answer
   x = 530,176.91