Finding the Third Proportional to 609,264 and 1,320,216

Step by Step Solution

1. Step 1: Write the proportion equation
   609,264 : 1,320,216 = 1,320,216 : x
2. Step 2: Convert to fraction form
   609,264/1,320,216 = 1,320,216/x
3. Step 3: Cross multiply
   609,264x = 1,320,216 × 1,320,216
4. Step 4: Simplify right side
   609,264x = 1,742,970,286,656
5. Step 5: Solve for x
   x = 1,742,970,286,656/609,264
6. Step 6: Final answer
   x = 2,860,780.03