Finding the Third Proportional to 1,637,836 and 3,543,943

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,836 : 3,543,943 = 3,543,943 : x
2. Step 2: Convert to fraction form
   1,637,836/3,543,943 = 3,543,943/x
3. Step 3: Cross multiply
   1,637,836x = 3,543,943 × 3,543,943
4. Step 4: Simplify right side
   1,637,836x = 12,559,531,987,249
5. Step 5: Solve for x
   x = 12,559,531,987,249/1,637,836
6. Step 6: Final answer
   x = 7,668,369.72