Finding the Third Proportional to 1,223,706 and 2,641,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,706 : 2,641,990 = 2,641,990 : x
2. Step 2: Convert to fraction form
   1,223,706/2,641,990 = 2,641,990/x
3. Step 3: Cross multiply
   1,223,706x = 2,641,990 × 2,641,990
4. Step 4: Simplify right side
   1,223,706x = 6,980,111,160,100
5. Step 5: Solve for x
   x = 6,980,111,160,100/1,223,706
6. Step 6: Final answer
   x = 5,704,075.29