Finding the Third Proportional to 791,046 and 1,638,144

Step by Step Solution

1. Step 1: Write the proportion equation
   791,046 : 1,638,144 = 1,638,144 : x
2. Step 2: Convert to fraction form
   791,046/1,638,144 = 1,638,144/x
3. Step 3: Cross multiply
   791,046x = 1,638,144 × 1,638,144
4. Step 4: Simplify right side
   791,046x = 2,683,515,764,736
5. Step 5: Solve for x
   x = 2,683,515,764,736/791,046
6. Step 6: Final answer
   x = 3,392,363.74