Finding the Third Proportional to 1,581,210 and 3,448,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,210 : 3,448,642 = 3,448,642 : x
2. Step 2: Convert to fraction form
   1,581,210/3,448,642 = 3,448,642/x
3. Step 3: Cross multiply
   1,581,210x = 3,448,642 × 3,448,642
4. Step 4: Simplify right side
   1,581,210x = 11,893,131,644,164
5. Step 5: Solve for x
   x = 11,893,131,644,164/1,581,210
6. Step 6: Final answer
   x = 7,521,538.34