Finding the Third Proportional to 162,013.50 and 243,018

Step by Step Solution

1. Step 1: Write the proportion equation
   162,013.50 : 243,018 = 243,018 : x
2. Step 2: Convert to fraction form
   162,013.50/243,018 = 243,018/x
3. Step 3: Cross multiply
   162,013.50x = 243,018 × 243,018
4. Step 4: Simplify right side
   162,013.50x = 59,057,748,324
5. Step 5: Solve for x
   x = 59,057,748,324/162,013.50
6. Step 6: Final answer
   x = 364,523.63