Finding the Third Proportional to 1,397,538 and 3,009,060

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,538 : 3,009,060 = 3,009,060 : x
2. Step 2: Convert to fraction form
   1,397,538/3,009,060 = 3,009,060/x
3. Step 3: Cross multiply
   1,397,538x = 3,009,060 × 3,009,060
4. Step 4: Simplify right side
   1,397,538x = 9,054,442,083,600
5. Step 5: Solve for x
   x = 9,054,442,083,600/1,397,538
6. Step 6: Final answer
   x = 6,478,852.16