Finding the Third Proportional to 1,642,872 and 3,595,443

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,872 : 3,595,443 = 3,595,443 : x
2. Step 2: Convert to fraction form
   1,642,872/3,595,443 = 3,595,443/x
3. Step 3: Cross multiply
   1,642,872x = 3,595,443 × 3,595,443
4. Step 4: Simplify right side
   1,642,872x = 12,927,210,366,249
5. Step 5: Solve for x
   x = 12,927,210,366,249/1,642,872
6. Step 6: Final answer
   x = 7,868,665.58