Finding the Third Proportional to 663,738 and 1,456,500

Step by Step Solution

1. Step 1: Write the proportion equation
   663,738 : 1,456,500 = 1,456,500 : x
2. Step 2: Convert to fraction form
   663,738/1,456,500 = 1,456,500/x
3. Step 3: Cross multiply
   663,738x = 1,456,500 × 1,456,500
4. Step 4: Simplify right side
   663,738x = 2,121,392,250,000
5. Step 5: Solve for x
   x = 2,121,392,250,000/663,738
6. Step 6: Final answer
   x = 3,196,128.97