Finding the Third Proportional to 2,270,138 and 4,817,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270,138 : 4,817,008 = 4,817,008 : x
2. Step 2: Convert to fraction form
   2,270,138/4,817,008 = 4,817,008/x
3. Step 3: Cross multiply
   2,270,138x = 4,817,008 × 4,817,008
4. Step 4: Simplify right side
   2,270,138x = 23,203,566,072,064
5. Step 5: Solve for x
   x = 23,203,566,072,064/2,270,138
6. Step 6: Final answer
   x = 10,221,213.90