Finding the Third Proportional to 2,187,447 and 3,424,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,447 : 3,424,536 = 3,424,536 : x
2. Step 2: Convert to fraction form
   2,187,447/3,424,536 = 3,424,536/x
3. Step 3: Cross multiply
   2,187,447x = 3,424,536 × 3,424,536
4. Step 4: Simplify right side
   2,187,447x = 11,727,446,815,296
5. Step 5: Solve for x
   x = 11,727,446,815,296/2,187,447
6. Step 6: Final answer
   x = 5,361,248.44