Finding the Third Proportional to 1,900,516 and 3,957,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900,516 : 3,957,740 = 3,957,740 : x
2. Step 2: Convert to fraction form
   1,900,516/3,957,740 = 3,957,740/x
3. Step 3: Cross multiply
   1,900,516x = 3,957,740 × 3,957,740
4. Step 4: Simplify right side
   1,900,516x = 15,663,705,907,600
5. Step 5: Solve for x
   x = 15,663,705,907,600/1,900,516
6. Step 6: Final answer
   x = 8,241,817.44