Finding the Third Proportional to 72,488 and 147,025

Step by Step Solution

1. Step 1: Write the proportion equation
   72,488 : 147,025 = 147,025 : x
2. Step 2: Convert to fraction form
   72,488/147,025 = 147,025/x
3. Step 3: Cross multiply
   72,488x = 147,025 × 147,025
4. Step 4: Simplify right side
   72,488x = 21,616,350,625
5. Step 5: Solve for x
   x = 21,616,350,625/72,488
6. Step 6: Final answer
   x = 298,205.92