Finding the Third Proportional to 615,408 and 1,293,008

Step by Step Solution

1. Step 1: Write the proportion equation
   615,408 : 1,293,008 = 1,293,008 : x
2. Step 2: Convert to fraction form
   615,408/1,293,008 = 1,293,008/x
3. Step 3: Cross multiply
   615,408x = 1,293,008 × 1,293,008
4. Step 4: Simplify right side
   615,408x = 1,671,869,688,064
5. Step 5: Solve for x
   x = 1,671,869,688,064/615,408
6. Step 6: Final answer
   x = 2,716,685.01