Finding the Third Proportional to 615,372 and 1,329,162

Step by Step Solution

1. Step 1: Write the proportion equation
   615,372 : 1,329,162 = 1,329,162 : x
2. Step 2: Convert to fraction form
   615,372/1,329,162 = 1,329,162/x
3. Step 3: Cross multiply
   615,372x = 1,329,162 × 1,329,162
4. Step 4: Simplify right side
   615,372x = 1,766,671,622,244
5. Step 5: Solve for x
   x = 1,766,671,622,244/615,372
6. Step 6: Final answer
   x = 2,870,900.24