Finding the Third Proportional to 826,484 and 1,277,128

Step by Step Solution

1. Step 1: Write the proportion equation
   826,484 : 1,277,128 = 1,277,128 : x
2. Step 2: Convert to fraction form
   826,484/1,277,128 = 1,277,128/x
3. Step 3: Cross multiply
   826,484x = 1,277,128 × 1,277,128
4. Step 4: Simplify right side
   826,484x = 1,631,055,928,384
5. Step 5: Solve for x
   x = 1,631,055,928,384/826,484
6. Step 6: Final answer
   x = 1,973,487.60