Finding the Third Proportional to 1,143,456 and 1,672,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,456 : 1,672,200 = 1,672,200 : x
2. Step 2: Convert to fraction form
   1,143,456/1,672,200 = 1,672,200/x
3. Step 3: Cross multiply
   1,143,456x = 1,672,200 × 1,672,200
4. Step 4: Simplify right side
   1,143,456x = 2,796,252,840,000
5. Step 5: Solve for x
   x = 2,796,252,840,000/1,143,456
6. Step 6: Final answer
   x = 2,445,439.82