Finding the Third Proportional to 817,392 and 1,781,913

Step by Step Solution

1. Step 1: Write the proportion equation
   817,392 : 1,781,913 = 1,781,913 : x
2. Step 2: Convert to fraction form
   817,392/1,781,913 = 1,781,913/x
3. Step 3: Cross multiply
   817,392x = 1,781,913 × 1,781,913
4. Step 4: Simplify right side
   817,392x = 3,175,213,939,569
5. Step 5: Solve for x
   x = 3,175,213,939,569/817,392
6. Step 6: Final answer
   x = 3,884,566.94