Finding the Third Proportional to 2,161,212 and 4,702,968

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,212 : 4,702,968 = 4,702,968 : x
2. Step 2: Convert to fraction form
   2,161,212/4,702,968 = 4,702,968/x
3. Step 3: Cross multiply
   2,161,212x = 4,702,968 × 4,702,968
4. Step 4: Simplify right side
   2,161,212x = 22,117,908,009,024
5. Step 5: Solve for x
   x = 22,117,908,009,024/2,161,212
6. Step 6: Final answer
   x = 10,234,029.80