Finding the Third Proportional to 1,538,561 and 3,348,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,561 : 3,348,040 = 3,348,040 : x
2. Step 2: Convert to fraction form
   1,538,561/3,348,040 = 3,348,040/x
3. Step 3: Cross multiply
   1,538,561x = 3,348,040 × 3,348,040
4. Step 4: Simplify right side
   1,538,561x = 11,209,371,841,600
5. Step 5: Solve for x
   x = 11,209,371,841,600/1,538,561
6. Step 6: Final answer
   x = 7,285,620.68