Finding the Third Proportional to 1,404,178 and 2,118,675

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,178 : 2,118,675 = 2,118,675 : x
2. Step 2: Convert to fraction form
   1,404,178/2,118,675 = 2,118,675/x
3. Step 3: Cross multiply
   1,404,178x = 2,118,675 × 2,118,675
4. Step 4: Simplify right side
   1,404,178x = 4,488,783,755,625
5. Step 5: Solve for x
   x = 4,488,783,755,625/1,404,178
6. Step 6: Final answer
   x = 3,196,734.14