Finding the Third Proportional to 615,144 and 1,322,248

Step by Step Solution

1. Step 1: Write the proportion equation
   615,144 : 1,322,248 = 1,322,248 : x
2. Step 2: Convert to fraction form
   615,144/1,322,248 = 1,322,248/x
3. Step 3: Cross multiply
   615,144x = 1,322,248 × 1,322,248
4. Step 4: Simplify right side
   615,144x = 1,748,339,773,504
5. Step 5: Solve for x
   x = 1,748,339,773,504/615,144
6. Step 6: Final answer
   x = 2,842,163.42