Finding the Third Proportional to 493,128 and 1,062,216

Step by Step Solution

1. Step 1: Write the proportion equation
   493,128 : 1,062,216 = 1,062,216 : x
2. Step 2: Convert to fraction form
   493,128/1,062,216 = 1,062,216/x
3. Step 3: Cross multiply
   493,128x = 1,062,216 × 1,062,216
4. Step 4: Simplify right side
   493,128x = 1,128,302,830,656
5. Step 5: Solve for x
   x = 1,128,302,830,656/493,128
6. Step 6: Final answer
   x = 2,288,052.66