Finding the Third Proportional to 788,411 and 1,729,426

Step by Step Solution

1. Step 1: Write the proportion equation
   788,411 : 1,729,426 = 1,729,426 : x
2. Step 2: Convert to fraction form
   788,411/1,729,426 = 1,729,426/x
3. Step 3: Cross multiply
   788,411x = 1,729,426 × 1,729,426
4. Step 4: Simplify right side
   788,411x = 2,990,914,289,476
5. Step 5: Solve for x
   x = 2,990,914,289,476/788,411
6. Step 6: Final answer
   x = 3,793,597.87