Finding the Third Proportional to 1,637,839 and 3,543,949

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,839 : 3,543,949 = 3,543,949 : x
2. Step 2: Convert to fraction form
   1,637,839/3,543,949 = 3,543,949/x
3. Step 3: Cross multiply
   1,637,839x = 3,543,949 × 3,543,949
4. Step 4: Simplify right side
   1,637,839x = 12,559,574,514,601
5. Step 5: Solve for x
   x = 12,559,574,514,601/1,637,839
6. Step 6: Final answer
   x = 7,668,381.64