Finding the Third Proportional to 1,629,830 and 3,540,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629,830 : 3,540,137 = 3,540,137 : x
2. Step 2: Convert to fraction form
   1,629,830/3,540,137 = 3,540,137/x
3. Step 3: Cross multiply
   1,629,830x = 3,540,137 × 3,540,137
4. Step 4: Simplify right side
   1,629,830x = 12,532,569,978,769
5. Step 5: Solve for x
   x = 12,532,569,978,769/1,629,830
6. Step 6: Final answer
   x = 7,689,495.21