Finding the Third Proportional to 791,036 and 1,638,148

Step by Step Solution

1. Step 1: Write the proportion equation
   791,036 : 1,638,148 = 1,638,148 : x
2. Step 2: Convert to fraction form
   791,036/1,638,148 = 1,638,148/x
3. Step 3: Cross multiply
   791,036x = 1,638,148 × 1,638,148
4. Step 4: Simplify right side
   791,036x = 2,683,528,869,904
5. Step 5: Solve for x
   x = 2,683,528,869,904/791,036
6. Step 6: Final answer
   x = 3,392,423.19