Finding the Third Proportional to 552,128 and 1,182,989

Step by Step Solution

1. Step 1: Write the proportion equation
   552,128 : 1,182,989 = 1,182,989 : x
2. Step 2: Convert to fraction form
   552,128/1,182,989 = 1,182,989/x
3. Step 3: Cross multiply
   552,128x = 1,182,989 × 1,182,989
4. Step 4: Simplify right side
   552,128x = 1,399,462,974,121
5. Step 5: Solve for x
   x = 1,399,462,974,121/552,128
6. Step 6: Final answer
   x = 2,534,671.26