Finding the Third Proportional to 1,728,424 and 2,705,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,424 : 2,705,212 = 2,705,212 : x
2. Step 2: Convert to fraction form
   1,728,424/2,705,212 = 2,705,212/x
3. Step 3: Cross multiply
   1,728,424x = 2,705,212 × 2,705,212
4. Step 4: Simplify right side
   1,728,424x = 7,318,171,964,944
5. Step 5: Solve for x
   x = 7,318,171,964,944/1,728,424
6. Step 6: Final answer
   x = 4,234,014.32