Finding the Third Proportional to 72,484.50 and 147,018

Step by Step Solution

1. Step 1: Write the proportion equation
   72,484.50 : 147,018 = 147,018 : x
2. Step 2: Convert to fraction form
   72,484.50/147,018 = 147,018/x
3. Step 3: Cross multiply
   72,484.50x = 147,018 × 147,018
4. Step 4: Simplify right side
   72,484.50x = 21,614,292,324
5. Step 5: Solve for x
   x = 21,614,292,324/72,484.50
6. Step 6: Final answer
   x = 298,191.92