Finding the Third Proportional to 72,510 and 160,572

Step by Step Solution

1. Step 1: Write the proportion equation
   72,510 : 160,572 = 160,572 : x
2. Step 2: Convert to fraction form
   72,510/160,572 = 160,572/x
3. Step 3: Cross multiply
   72,510x = 160,572 × 160,572
4. Step 4: Simplify right side
   72,510x = 25,783,367,184
5. Step 5: Solve for x
   x = 25,783,367,184/72,510
6. Step 6: Final answer
   x = 355,583.60