Finding the Third Proportional to 1,854,603 and 3,954,174

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,603 : 3,954,174 = 3,954,174 : x
2. Step 2: Convert to fraction form
   1,854,603/3,954,174 = 3,954,174/x
3. Step 3: Cross multiply
   1,854,603x = 3,954,174 × 3,954,174
4. Step 4: Simplify right side
   1,854,603x = 15,635,492,022,276
5. Step 5: Solve for x
   x = 15,635,492,022,276/1,854,603
6. Step 6: Final answer
   x = 8,430,640.96