Finding the Third Proportional to 762,430 and 1,603,488

Step by Step Solution

1. Step 1: Write the proportion equation
   762,430 : 1,603,488 = 1,603,488 : x
2. Step 2: Convert to fraction form
   762,430/1,603,488 = 1,603,488/x
3. Step 3: Cross multiply
   762,430x = 1,603,488 × 1,603,488
4. Step 4: Simplify right side
   762,430x = 2,571,173,766,144
5. Step 5: Solve for x
   x = 2,571,173,766,144/762,430
6. Step 6: Final answer
   x = 3,372,340.76