Finding the Third Proportional to 1,647,136 and 3,556,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,136 : 3,556,712 = 3,556,712 : x
2. Step 2: Convert to fraction form
   1,647,136/3,556,712 = 3,556,712/x
3. Step 3: Cross multiply
   1,647,136x = 3,556,712 × 3,556,712
4. Step 4: Simplify right side
   1,647,136x = 12,650,200,250,944
5. Step 5: Solve for x
   x = 12,650,200,250,944/1,647,136
6. Step 6: Final answer
   x = 7,680,118.86