Finding the Third Proportional to 1,798,478 and 3,763,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798,478 : 3,763,240 = 3,763,240 : x
2. Step 2: Convert to fraction form
   1,798,478/3,763,240 = 3,763,240/x
3. Step 3: Cross multiply
   1,798,478x = 3,763,240 × 3,763,240
4. Step 4: Simplify right side
   1,798,478x = 14,161,975,297,600
5. Step 5: Solve for x
   x = 14,161,975,297,600/1,798,478
6. Step 6: Final answer
   x = 7,874,422.32