Finding the Third Proportional to 820,502 and 1,772,224

Step by Step Solution

1. Step 1: Write the proportion equation
   820,502 : 1,772,224 = 1,772,224 : x
2. Step 2: Convert to fraction form
   820,502/1,772,224 = 1,772,224/x
3. Step 3: Cross multiply
   820,502x = 1,772,224 × 1,772,224
4. Step 4: Simplify right side
   820,502x = 3,140,777,906,176
5. Step 5: Solve for x
   x = 3,140,777,906,176/820,502
6. Step 6: Final answer
   x = 3,827,873.55