Finding the Third Proportional to 2,673,216 and 4,136,472

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673,216 : 4,136,472 = 4,136,472 : x
2. Step 2: Convert to fraction form
   2,673,216/4,136,472 = 4,136,472/x
3. Step 3: Cross multiply
   2,673,216x = 4,136,472 × 4,136,472
4. Step 4: Simplify right side
   2,673,216x = 17,110,400,606,784
5. Step 5: Solve for x
   x = 17,110,400,606,784/2,673,216
6. Step 6: Final answer
   x = 6,400,680.16