Finding the Third Proportional to 840,240 and 1,843,749

Step by Step Solution

1. Step 1: Write the proportion equation
   840,240 : 1,843,749 = 1,843,749 : x
2. Step 2: Convert to fraction form
   840,240/1,843,749 = 1,843,749/x
3. Step 3: Cross multiply
   840,240x = 1,843,749 × 1,843,749
4. Step 4: Simplify right side
   840,240x = 3,399,410,375,001
5. Step 5: Solve for x
   x = 3,399,410,375,001/840,240
6. Step 6: Final answer
   x = 4,045,761.18