Finding the Third Proportional to 1,783,380 and 3,865,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783,380 : 3,865,476 = 3,865,476 : x
2. Step 2: Convert to fraction form
   1,783,380/3,865,476 = 3,865,476/x
3. Step 3: Cross multiply
   1,783,380x = 3,865,476 × 3,865,476
4. Step 4: Simplify right side
   1,783,380x = 14,941,904,706,576
5. Step 5: Solve for x
   x = 14,941,904,706,576/1,783,380
6. Step 6: Final answer
   x = 8,378,418.90