Finding the Third Proportional to 490,431 and 1,056,000

Step by Step Solution

1. Step 1: Write the proportion equation
   490,431 : 1,056,000 = 1,056,000 : x
2. Step 2: Convert to fraction form
   490,431/1,056,000 = 1,056,000/x
3. Step 3: Cross multiply
   490,431x = 1,056,000 × 1,056,000
4. Step 4: Simplify right side
   490,431x = 1,115,136,000,000
5. Step 5: Solve for x
   x = 1,115,136,000,000/490,431
6. Step 6: Final answer
   x = 2,273,787.75