Finding the Third Proportional to 840,213 and 1,843,695

Step by Step Solution

1. Step 1: Write the proportion equation
   840,213 : 1,843,695 = 1,843,695 : x
2. Step 2: Convert to fraction form
   840,213/1,843,695 = 1,843,695/x
3. Step 3: Cross multiply
   840,213x = 1,843,695 × 1,843,695
4. Step 4: Simplify right side
   840,213x = 3,399,211,253,025
5. Step 5: Solve for x
   x = 3,399,211,253,025/840,213
6. Step 6: Final answer
   x = 4,045,654.20