Finding the Third Proportional to 3,421,206 and 7,407,063

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,206 : 7,407,063 = 7,407,063 : x
2. Step 2: Convert to fraction form
   3,421,206/7,407,063 = 7,407,063/x
3. Step 3: Cross multiply
   3,421,206x = 7,407,063 × 7,407,063
4. Step 4: Simplify right side
   3,421,206x = 54,864,582,285,969
5. Step 5: Solve for x
   x = 54,864,582,285,969/3,421,206
6. Step 6: Final answer
   x = 16,036,620.50