Finding the Third Proportional to 1,636,741.69 and 3,556,782.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,741.69 : 3,556,782.56 = 3,556,782.56 : x
2. Step 2: Convert to fraction form
   1,636,741.69/3,556,782.56 = 3,556,782.56/x
3. Step 3: Cross multiply
   1,636,741.69x = 3,556,782.56 × 3,556,782.56
4. Step 4: Simplify right side
   1,636,741.69x = 12,650,702,196,904.07
5. Step 5: Solve for x
   x = 12,650,702,196,904.07/1,636,741.69
6. Step 6: Final answer
   x = 7,729,198.99