Finding the Third Proportional to 72,495 and 147,039

Step by Step Solution

1. Step 1: Write the proportion equation
   72,495 : 147,039 = 147,039 : x
2. Step 2: Convert to fraction form
   72,495/147,039 = 147,039/x
3. Step 3: Cross multiply
   72,495x = 147,039 × 147,039
4. Step 4: Simplify right side
   72,495x = 21,620,467,521
5. Step 5: Solve for x
   x = 21,620,467,521/72,495
6. Step 6: Final answer
   x = 298,233.91