Finding the Third Proportional to 1,036,178 and 2,229,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,178 : 2,229,820 = 2,229,820 : x
2. Step 2: Convert to fraction form
   1,036,178/2,229,820 = 2,229,820/x
3. Step 3: Cross multiply
   1,036,178x = 2,229,820 × 2,229,820
4. Step 4: Simplify right side
   1,036,178x = 4,972,097,232,400
5. Step 5: Solve for x
   x = 4,972,097,232,400/1,036,178
6. Step 6: Final answer
   x = 4,798,497.20