Finding the Third Proportional to 611,152 and 1,340,288

Step by Step Solution

1. Step 1: Write the proportion equation
   611,152 : 1,340,288 = 1,340,288 : x
2. Step 2: Convert to fraction form
   611,152/1,340,288 = 1,340,288/x
3. Step 3: Cross multiply
   611,152x = 1,340,288 × 1,340,288
4. Step 4: Simplify right side
   611,152x = 1,796,371,922,944
5. Step 5: Solve for x
   x = 1,796,371,922,944/611,152
6. Step 6: Final answer
   x = 2,939,321.02