Finding the Third Proportional to 1,868,144 and 4,109,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,144 : 4,109,536 = 4,109,536 : x
2. Step 2: Convert to fraction form
   1,868,144/4,109,536 = 4,109,536/x
3. Step 3: Cross multiply
   1,868,144x = 4,109,536 × 4,109,536
4. Step 4: Simplify right side
   1,868,144x = 16,888,286,135,296
5. Step 5: Solve for x
   x = 16,888,286,135,296/1,868,144
6. Step 6: Final answer
   x = 9,040,141.52