Finding the Third Proportional to 489,148 and 1,059,721

Step by Step Solution

1. Step 1: Write the proportion equation
   489,148 : 1,059,721 = 1,059,721 : x
2. Step 2: Convert to fraction form
   489,148/1,059,721 = 1,059,721/x
3. Step 3: Cross multiply
   489,148x = 1,059,721 × 1,059,721
4. Step 4: Simplify right side
   489,148x = 1,123,008,597,841
5. Step 5: Solve for x
   x = 1,123,008,597,841/489,148
6. Step 6: Final answer
   x = 2,295,846.24