Finding the Third Proportional to 485,128 and 1,055,064

Step by Step Solution

1. Step 1: Write the proportion equation
   485,128 : 1,055,064 = 1,055,064 : x
2. Step 2: Convert to fraction form
   485,128/1,055,064 = 1,055,064/x
3. Step 3: Cross multiply
   485,128x = 1,055,064 × 1,055,064
4. Step 4: Simplify right side
   485,128x = 1,113,160,044,096
5. Step 5: Solve for x
   x = 1,113,160,044,096/485,128
6. Step 6: Final answer
   x = 2,294,569.77