Finding the Third Proportional to 1,039,507 and 2,239,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,507 : 2,239,430 = 2,239,430 : x
2. Step 2: Convert to fraction form
   1,039,507/2,239,430 = 2,239,430/x
3. Step 3: Cross multiply
   1,039,507x = 2,239,430 × 2,239,430
4. Step 4: Simplify right side
   1,039,507x = 5,015,046,724,900
5. Step 5: Solve for x
   x = 5,015,046,724,900/1,039,507
6. Step 6: Final answer
   x = 4,824,447.29