Finding the Third Proportional to 813,820 and 1,767,745

Step by Step Solution

1. Step 1: Write the proportion equation
   813,820 : 1,767,745 = 1,767,745 : x
2. Step 2: Convert to fraction form
   813,820/1,767,745 = 1,767,745/x
3. Step 3: Cross multiply
   813,820x = 1,767,745 × 1,767,745
4. Step 4: Simplify right side
   813,820x = 3,124,922,385,025
5. Step 5: Solve for x
   x = 3,124,922,385,025/813,820
6. Step 6: Final answer
   x = 3,839,820.09