Finding the Third Proportional to 2,424,400 and 3,636,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424,400 : 3,636,600 = 3,636,600 : x
2. Step 2: Convert to fraction form
   2,424,400/3,636,600 = 3,636,600/x
3. Step 3: Cross multiply
   2,424,400x = 3,636,600 × 3,636,600
4. Step 4: Simplify right side
   2,424,400x = 13,224,859,560,000
5. Step 5: Solve for x
   x = 13,224,859,560,000/2,424,400
6. Step 6: Final answer
   x = 5,454,900