Finding the Third Proportional to 72,296 and 108,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,296 : 108,018.50 = 108,018.50 : x
2. Step 2: Convert to fraction form
   72,296/108,018.50 = 108,018.50/x
3. Step 3: Cross multiply
   72,296x = 108,018.50 × 108,018.50
4. Step 4: Simplify right side
   72,296x = 11,667,996,342.25
5. Step 5: Solve for x
   x = 11,667,996,342.25/72,296
6. Step 6: Final answer
   x = 161,392.00