Finding the Third Proportional to 72,360.50 and 154,279

Step by Step Solution

1. Step 1: Write the proportion equation
   72,360.50 : 154,279 = 154,279 : x
2. Step 2: Convert to fraction form
   72,360.50/154,279 = 154,279/x
3. Step 3: Cross multiply
   72,360.50x = 154,279 × 154,279
4. Step 4: Simplify right side
   72,360.50x = 23,802,009,841
5. Step 5: Solve for x
   x = 23,802,009,841/72,360.50
6. Step 6: Final answer
   x = 328,936.50