Finding the Third Proportional to 838,432 and 1,809,704

Step by Step Solution

1. Step 1: Write the proportion equation
   838,432 : 1,809,704 = 1,809,704 : x
2. Step 2: Convert to fraction form
   838,432/1,809,704 = 1,809,704/x
3. Step 3: Cross multiply
   838,432x = 1,809,704 × 1,809,704
4. Step 4: Simplify right side
   838,432x = 3,275,028,567,616
5. Step 5: Solve for x
   x = 3,275,028,567,616/838,432
6. Step 6: Final answer
   x = 3,906,134.98