Finding the Third Proportional to 574,740 and 1,256,488

Step by Step Solution

1. Step 1: Write the proportion equation
   574,740 : 1,256,488 = 1,256,488 : x
2. Step 2: Convert to fraction form
   574,740/1,256,488 = 1,256,488/x
3. Step 3: Cross multiply
   574,740x = 1,256,488 × 1,256,488
4. Step 4: Simplify right side
   574,740x = 1,578,762,094,144
5. Step 5: Solve for x
   x = 1,578,762,094,144/574,740
6. Step 6: Final answer
   x = 2,746,915.29