Finding the Third Proportional to 664,248 and 1,375,740

Step by Step Solution

1. Step 1: Write the proportion equation
   664,248 : 1,375,740 = 1,375,740 : x
2. Step 2: Convert to fraction form
   664,248/1,375,740 = 1,375,740/x
3. Step 3: Cross multiply
   664,248x = 1,375,740 × 1,375,740
4. Step 4: Simplify right side
   664,248x = 1,892,660,547,600
5. Step 5: Solve for x
   x = 1,892,660,547,600/664,248
6. Step 6: Final answer
   x = 2,849,328.18