Finding the Third Proportional to 2,141,772 and 4,674,212

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,772 : 4,674,212 = 4,674,212 : x
2. Step 2: Convert to fraction form
   2,141,772/4,674,212 = 4,674,212/x
3. Step 3: Cross multiply
   2,141,772x = 4,674,212 × 4,674,212
4. Step 4: Simplify right side
   2,141,772x = 21,848,257,820,944
5. Step 5: Solve for x
   x = 21,848,257,820,944/2,141,772
6. Step 6: Final answer
   x = 10,201,019.45