Finding the Third Proportional to 647,968 and 1,337,338

Step by Step Solution

1. Step 1: Write the proportion equation
   647,968 : 1,337,338 = 1,337,338 : x
2. Step 2: Convert to fraction form
   647,968/1,337,338 = 1,337,338/x
3. Step 3: Cross multiply
   647,968x = 1,337,338 × 1,337,338
4. Step 4: Simplify right side
   647,968x = 1,788,472,926,244
5. Step 5: Solve for x
   x = 1,788,472,926,244/647,968
6. Step 6: Final answer
   x = 2,760,125.39