Finding the Third Proportional to 1,008,642 and 2,185,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,642 : 2,185,388 = 2,185,388 : x
2. Step 2: Convert to fraction form
   1,008,642/2,185,388 = 2,185,388/x
3. Step 3: Cross multiply
   1,008,642x = 2,185,388 × 2,185,388
4. Step 4: Simplify right side
   1,008,642x = 4,775,920,710,544
5. Step 5: Solve for x
   x = 4,775,920,710,544/1,008,642
6. Step 6: Final answer
   x = 4,735,000.83