Finding the Third Proportional to 1,891,738 and 4,151,378

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,738 : 4,151,378 = 4,151,378 : x
2. Step 2: Convert to fraction form
   1,891,738/4,151,378 = 4,151,378/x
3. Step 3: Cross multiply
   1,891,738x = 4,151,378 × 4,151,378
4. Step 4: Simplify right side
   1,891,738x = 17,233,939,298,884
5. Step 5: Solve for x
   x = 17,233,939,298,884/1,891,738
6. Step 6: Final answer
   x = 9,110,108.96