Finding the Third Proportional to 820,512 and 1,772,244

Step by Step Solution

1. Step 1: Write the proportion equation
   820,512 : 1,772,244 = 1,772,244 : x
2. Step 2: Convert to fraction form
   820,512/1,772,244 = 1,772,244/x
3. Step 3: Cross multiply
   820,512x = 1,772,244 × 1,772,244
4. Step 4: Simplify right side
   820,512x = 3,140,848,795,536
5. Step 5: Solve for x
   x = 3,140,848,795,536/820,512
6. Step 6: Final answer
   x = 3,827,913.30