Finding the Third Proportional to 1,854,602 and 3,954,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,602 : 3,954,172 = 3,954,172 : x
2. Step 2: Convert to fraction form
   1,854,602/3,954,172 = 3,954,172/x
3. Step 3: Cross multiply
   1,854,602x = 3,954,172 × 3,954,172
4. Step 4: Simplify right side
   1,854,602x = 15,635,476,205,584
5. Step 5: Solve for x
   x = 15,635,476,205,584/1,854,602
6. Step 6: Final answer
   x = 8,430,636.98