Finding the Third Proportional to 806,139 and 1,759,644

Step by Step Solution

1. Step 1: Write the proportion equation
   806,139 : 1,759,644 = 1,759,644 : x
2. Step 2: Convert to fraction form
   806,139/1,759,644 = 1,759,644/x
3. Step 3: Cross multiply
   806,139x = 1,759,644 × 1,759,644
4. Step 4: Simplify right side
   806,139x = 3,096,347,006,736
5. Step 5: Solve for x
   x = 3,096,347,006,736/806,139
6. Step 6: Final answer
   x = 3,840,959.20