Finding the Third Proportional to 72,508 and 147,048

Step by Step Solution

1. Step 1: Write the proportion equation
   72,508 : 147,048 = 147,048 : x
2. Step 2: Convert to fraction form
   72,508/147,048 = 147,048/x
3. Step 3: Cross multiply
   72,508x = 147,048 × 147,048
4. Step 4: Simplify right side
   72,508x = 21,623,114,304
5. Step 5: Solve for x
   x = 21,623,114,304/72,508
6. Step 6: Final answer
   x = 298,216.95