Finding the Third Proportional to 1,915,511 and 4,190,014

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,511 : 4,190,014 = 4,190,014 : x
2. Step 2: Convert to fraction form
   1,915,511/4,190,014 = 4,190,014/x
3. Step 3: Cross multiply
   1,915,511x = 4,190,014 × 4,190,014
4. Step 4: Simplify right side
   1,915,511x = 17,556,217,320,196
5. Step 5: Solve for x
   x = 17,556,217,320,196/1,915,511
6. Step 6: Final answer
   x = 9,165,291.83