Finding the Third Proportional to 72,928 and 159,572

Step by Step Solution

1. Step 1: Write the proportion equation
   72,928 : 159,572 = 159,572 : x
2. Step 2: Convert to fraction form
   72,928/159,572 = 159,572/x
3. Step 3: Cross multiply
   72,928x = 159,572 × 159,572
4. Step 4: Simplify right side
   72,928x = 25,463,223,184
5. Step 5: Solve for x
   x = 25,463,223,184/72,928
6. Step 6: Final answer
   x = 349,155.65