Finding the Third Proportional to 72,762 and 158,480

Step by Step Solution

1. Step 1: Write the proportion equation
   72,762 : 158,480 = 158,480 : x
2. Step 2: Convert to fraction form
   72,762/158,480 = 158,480/x
3. Step 3: Cross multiply
   72,762x = 158,480 × 158,480
4. Step 4: Simplify right side
   72,762x = 25,115,910,400
5. Step 5: Solve for x
   x = 25,115,910,400/72,762
6. Step 6: Final answer
   x = 345,178.95