Finding the Third Proportional to 1,568,866 and 2,209,261

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568,866 : 2,209,261 = 2,209,261 : x
2. Step 2: Convert to fraction form
   1,568,866/2,209,261 = 2,209,261/x
3. Step 3: Cross multiply
   1,568,866x = 2,209,261 × 2,209,261
4. Step 4: Simplify right side
   1,568,866x = 4,880,834,166,121
5. Step 5: Solve for x
   x = 4,880,834,166,121/1,568,866
6. Step 6: Final answer
   x = 3,111,058.67