Finding the Third Proportional to 1,647,135 and 3,556,710

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,135 : 3,556,710 = 3,556,710 : x
2. Step 2: Convert to fraction form
   1,647,135/3,556,710 = 3,556,710/x
3. Step 3: Cross multiply
   1,647,135x = 3,556,710 × 3,556,710
4. Step 4: Simplify right side
   1,647,135x = 12,650,186,024,100
5. Step 5: Solve for x
   x = 12,650,186,024,100/1,647,135
6. Step 6: Final answer
   x = 7,680,114.88