Finding the Third Proportional to 1,257,790 and 2,715,813

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,790 : 2,715,813 = 2,715,813 : x
2. Step 2: Convert to fraction form
   1,257,790/2,715,813 = 2,715,813/x
3. Step 3: Cross multiply
   1,257,790x = 2,715,813 × 2,715,813
4. Step 4: Simplify right side
   1,257,790x = 7,375,640,250,969
5. Step 5: Solve for x
   x = 7,375,640,250,969/1,257,790
6. Step 6: Final answer
   x = 5,863,967.95