Finding the Third Proportional to 1,032,128 and 2,158,365.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032,128 : 2,158,365.25 = 2,158,365.25 : x
2. Step 2: Convert to fraction form
   1,032,128/2,158,365.25 = 2,158,365.25/x
3. Step 3: Cross multiply
   1,032,128x = 2,158,365.25 × 2,158,365.25
4. Step 4: Simplify right side
   1,032,128x = 4,658,540,552,407.56
5. Step 5: Solve for x
   x = 4,658,540,552,407.56/1,032,128
6. Step 6: Final answer
   x = 4,513,529.86