Finding the Third Proportional to 840,144 and 1,843,590

Step by Step Solution

1. Step 1: Write the proportion equation
   840,144 : 1,843,590 = 1,843,590 : x
2. Step 2: Convert to fraction form
   840,144/1,843,590 = 1,843,590/x
3. Step 3: Cross multiply
   840,144x = 1,843,590 × 1,843,590
4. Step 4: Simplify right side
   840,144x = 3,398,824,088,100
5. Step 5: Solve for x
   x = 3,398,824,088,100/840,144
6. Step 6: Final answer
   x = 4,045,525.63