Finding the Third Proportional to 1,920,554 and 4,195,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,554 : 4,195,456 = 4,195,456 : x
2. Step 2: Convert to fraction form
   1,920,554/4,195,456 = 4,195,456/x
3. Step 3: Cross multiply
   1,920,554x = 4,195,456 × 4,195,456
4. Step 4: Simplify right side
   1,920,554x = 17,601,851,047,936
5. Step 5: Solve for x
   x = 17,601,851,047,936/1,920,554
6. Step 6: Final answer
   x = 9,164,986.27