Finding the Third Proportional to 688,327 and 1,491,055

Step by Step Solution

1. Step 1: Write the proportion equation
   688,327 : 1,491,055 = 1,491,055 : x
2. Step 2: Convert to fraction form
   688,327/1,491,055 = 1,491,055/x
3. Step 3: Cross multiply
   688,327x = 1,491,055 × 1,491,055
4. Step 4: Simplify right side
   688,327x = 2,223,245,013,025
5. Step 5: Solve for x
   x = 2,223,245,013,025/688,327
6. Step 6: Final answer
   x = 3,229,925.62