Finding the Third Proportional to 788,318 and 1,729,240

Step by Step Solution

1. Step 1: Write the proportion equation
   788,318 : 1,729,240 = 1,729,240 : x
2. Step 2: Convert to fraction form
   788,318/1,729,240 = 1,729,240/x
3. Step 3: Cross multiply
   788,318x = 1,729,240 × 1,729,240
4. Step 4: Simplify right side
   788,318x = 2,990,270,977,600
5. Step 5: Solve for x
   x = 2,990,270,977,600/788,318
6. Step 6: Final answer
   x = 3,793,229.35