Finding the Third Proportional to 810,784 and 1,739,644

Step by Step Solution

1. Step 1: Write the proportion equation
   810,784 : 1,739,644 = 1,739,644 : x
2. Step 2: Convert to fraction form
   810,784/1,739,644 = 1,739,644/x
3. Step 3: Cross multiply
   810,784x = 1,739,644 × 1,739,644
4. Step 4: Simplify right side
   810,784x = 3,026,361,246,736
5. Step 5: Solve for x
   x = 3,026,361,246,736/810,784
6. Step 6: Final answer
   x = 3,732,635.63