Finding the Third Proportional to 72,553 and 152,450

Step by Step Solution

1. Step 1: Write the proportion equation
   72,553 : 152,450 = 152,450 : x
2. Step 2: Convert to fraction form
   72,553/152,450 = 152,450/x
3. Step 3: Cross multiply
   72,553x = 152,450 × 152,450
4. Step 4: Simplify right side
   72,553x = 23,241,002,500
5. Step 5: Solve for x
   x = 23,241,002,500/72,553
6. Step 6: Final answer
   x = 320,331.38