Finding the Third Proportional to 1,840,190 and 4,004,380

Step by Step Solution

1. Step 1: Write the proportion equation
   1,840,190 : 4,004,380 = 4,004,380 : x
2. Step 2: Convert to fraction form
   1,840,190/4,004,380 = 4,004,380/x
3. Step 3: Cross multiply
   1,840,190x = 4,004,380 × 4,004,380
4. Step 4: Simplify right side
   1,840,190x = 16,035,059,184,400
5. Step 5: Solve for x
   x = 16,035,059,184,400/1,840,190
6. Step 6: Final answer
   x = 8,713,806.28