Finding the Third Proportional to 2,218,406 and 4,773,070

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,406 : 4,773,070 = 4,773,070 : x
2. Step 2: Convert to fraction form
   2,218,406/4,773,070 = 4,773,070/x
3. Step 3: Cross multiply
   2,218,406x = 4,773,070 × 4,773,070
4. Step 4: Simplify right side
   2,218,406x = 22,782,197,224,900
5. Step 5: Solve for x
   x = 22,782,197,224,900/2,218,406
6. Step 6: Final answer
   x = 10,269,624.78