Finding the Third Proportional to 1,528,420 and 3,322,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,420 : 3,322,192 = 3,322,192 : x
2. Step 2: Convert to fraction form
   1,528,420/3,322,192 = 3,322,192/x
3. Step 3: Cross multiply
   1,528,420x = 3,322,192 × 3,322,192
4. Step 4: Simplify right side
   1,528,420x = 11,036,959,684,864
5. Step 5: Solve for x
   x = 11,036,959,684,864/1,528,420
6. Step 6: Final answer
   x = 7,221,156.28