Finding the Third Proportional to 1,913,240 and 4,162,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,240 : 4,162,772 = 4,162,772 : x
2. Step 2: Convert to fraction form
   1,913,240/4,162,772 = 4,162,772/x
3. Step 3: Cross multiply
   1,913,240x = 4,162,772 × 4,162,772
4. Step 4: Simplify right side
   1,913,240x = 17,328,670,723,984
5. Step 5: Solve for x
   x = 17,328,670,723,984/1,913,240
6. Step 6: Final answer
   x = 9,057,238.36