Finding the Third Proportional to 615,864 and 1,323,392

Step by Step Solution

1. Step 1: Write the proportion equation
   615,864 : 1,323,392 = 1,323,392 : x
2. Step 2: Convert to fraction form
   615,864/1,323,392 = 1,323,392/x
3. Step 3: Cross multiply
   615,864x = 1,323,392 × 1,323,392
4. Step 4: Simplify right side
   615,864x = 1,751,366,385,664
5. Step 5: Solve for x
   x = 1,751,366,385,664/615,864
6. Step 6: Final answer
   x = 2,843,755.09