Finding the Third Proportional to 1,662,408 and 3,635,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,408 : 3,635,856 = 3,635,856 : x
2. Step 2: Convert to fraction form
   1,662,408/3,635,856 = 3,635,856/x
3. Step 3: Cross multiply
   1,662,408x = 3,635,856 × 3,635,856
4. Step 4: Simplify right side
   1,662,408x = 13,219,448,852,736
5. Step 5: Solve for x
   x = 13,219,448,852,736/1,662,408
6. Step 6: Final answer
   x = 7,951,988.23