Finding the Third Proportional to 817,826 and 1,784,364

Step by Step Solution

1. Step 1: Write the proportion equation
   817,826 : 1,784,364 = 1,784,364 : x
2. Step 2: Convert to fraction form
   817,826/1,784,364 = 1,784,364/x
3. Step 3: Cross multiply
   817,826x = 1,784,364 × 1,784,364
4. Step 4: Simplify right side
   817,826x = 3,183,954,884,496
5. Step 5: Solve for x
   x = 3,183,954,884,496/817,826
6. Step 6: Final answer
   x = 3,893,193.52