Finding the Third Proportional to 1,689,848 and 2,621,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,848 : 2,621,344 = 2,621,344 : x
2. Step 2: Convert to fraction form
   1,689,848/2,621,344 = 2,621,344/x
3. Step 3: Cross multiply
   1,689,848x = 2,621,344 × 2,621,344
4. Step 4: Simplify right side
   1,689,848x = 6,871,444,366,336
5. Step 5: Solve for x
   x = 6,871,444,366,336/1,689,848
6. Step 6: Final answer
   x = 4,066,309.14