Finding the Third Proportional to 1,152,419 and 1,691,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,419 : 1,691,256 = 1,691,256 : x
2. Step 2: Convert to fraction form
   1,152,419/1,691,256 = 1,691,256/x
3. Step 3: Cross multiply
   1,152,419x = 1,691,256 × 1,691,256
4. Step 4: Simplify right side
   1,152,419x = 2,860,346,857,536
5. Step 5: Solve for x
   x = 2,860,346,857,536/1,152,419
6. Step 6: Final answer
   x = 2,482,037.23