Finding the Third Proportional to 788,428 and 1,729,460

Step by Step Solution

1. Step 1: Write the proportion equation
   788,428 : 1,729,460 = 1,729,460 : x
2. Step 2: Convert to fraction form
   788,428/1,729,460 = 1,729,460/x
3. Step 3: Cross multiply
   788,428x = 1,729,460 × 1,729,460
4. Step 4: Simplify right side
   788,428x = 2,991,031,891,600
5. Step 5: Solve for x
   x = 2,991,031,891,600/788,428
6. Step 6: Final answer
   x = 3,793,665.23