Finding the Third Proportional to 1,390,212 and 3,046,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,212 : 3,046,144 = 3,046,144 : x
2. Step 2: Convert to fraction form
   1,390,212/3,046,144 = 3,046,144/x
3. Step 3: Cross multiply
   1,390,212x = 3,046,144 × 3,046,144
4. Step 4: Simplify right side
   1,390,212x = 9,278,993,268,736
5. Step 5: Solve for x
   x = 9,278,993,268,736/1,390,212
6. Step 6: Final answer
   x = 6,674,516.74