Finding the Third Proportional to 3,553,728 and 7,674,868

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,728 : 7,674,868 = 7,674,868 : x
2. Step 2: Convert to fraction form
   3,553,728/7,674,868 = 7,674,868/x
3. Step 3: Cross multiply
   3,553,728x = 7,674,868 × 7,674,868
4. Step 4: Simplify right side
   3,553,728x = 58,903,598,817,424
5. Step 5: Solve for x
   x = 58,903,598,817,424/3,553,728
6. Step 6: Final answer
   x = 16,575,156.80