Finding the Third Proportional to 1,647,126 and 3,556,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,126 : 3,556,692 = 3,556,692 : x
2. Step 2: Convert to fraction form
   1,647,126/3,556,692 = 3,556,692/x
3. Step 3: Cross multiply
   1,647,126x = 3,556,692 × 3,556,692
4. Step 4: Simplify right side
   1,647,126x = 12,650,057,982,864
5. Step 5: Solve for x
   x = 12,650,057,982,864/1,647,126
6. Step 6: Final answer
   x = 7,680,079.11