Finding the Third Proportional to 840,279 and 1,843,830

Step by Step Solution

1. Step 1: Write the proportion equation
   840,279 : 1,843,830 = 1,843,830 : x
2. Step 2: Convert to fraction form
   840,279/1,843,830 = 1,843,830/x
3. Step 3: Cross multiply
   840,279x = 1,843,830 × 1,843,830
4. Step 4: Simplify right side
   840,279x = 3,399,709,068,900
5. Step 5: Solve for x
   x = 3,399,709,068,900/840,279
6. Step 6: Final answer
   x = 4,045,928.87