Finding the Third Proportional to 791,026 and 1,638,128

Step by Step Solution

1. Step 1: Write the proportion equation
   791,026 : 1,638,128 = 1,638,128 : x
2. Step 2: Convert to fraction form
   791,026/1,638,128 = 1,638,128/x
3. Step 3: Cross multiply
   791,026x = 1,638,128 × 1,638,128
4. Step 4: Simplify right side
   791,026x = 2,683,463,344,384
5. Step 5: Solve for x
   x = 2,683,463,344,384/791,026
6. Step 6: Final answer
   x = 3,392,383.24