Finding the Third Proportional to 1,515,265 and 3,266,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,265 : 3,266,690 = 3,266,690 : x
2. Step 2: Convert to fraction form
   1,515,265/3,266,690 = 3,266,690/x
3. Step 3: Cross multiply
   1,515,265x = 3,266,690 × 3,266,690
4. Step 4: Simplify right side
   1,515,265x = 10,671,263,556,100
5. Step 5: Solve for x
   x = 10,671,263,556,100/1,515,265
6. Step 6: Final answer
   x = 7,042,506.46