Finding the Third Proportional to 72,555 and 152,454

Step by Step Solution

1. Step 1: Write the proportion equation
   72,555 : 152,454 = 152,454 : x
2. Step 2: Convert to fraction form
   72,555/152,454 = 152,454/x
3. Step 3: Cross multiply
   72,555x = 152,454 × 152,454
4. Step 4: Simplify right side
   72,555x = 23,242,222,116
5. Step 5: Solve for x
   x = 23,242,222,116/72,555
6. Step 6: Final answer
   x = 320,339.36