Finding the Third Proportional to 1,474,320 and 3,215,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474,320 : 3,215,424 = 3,215,424 : x
2. Step 2: Convert to fraction form
   1,474,320/3,215,424 = 3,215,424/x
3. Step 3: Cross multiply
   1,474,320x = 3,215,424 × 3,215,424
4. Step 4: Simplify right side
   1,474,320x = 10,338,951,499,776
5. Step 5: Solve for x
   x = 10,338,951,499,776/1,474,320
6. Step 6: Final answer
   x = 7,012,691.61