Finding the Third Proportional to 619,008 and 1,339,392

Step by Step Solution

1. Step 1: Write the proportion equation
   619,008 : 1,339,392 = 1,339,392 : x
2. Step 2: Convert to fraction form
   619,008/1,339,392 = 1,339,392/x
3. Step 3: Cross multiply
   619,008x = 1,339,392 × 1,339,392
4. Step 4: Simplify right side
   619,008x = 1,793,970,929,664
5. Step 5: Solve for x
   x = 1,793,970,929,664/619,008
6. Step 6: Final answer
   x = 2,898,138.52