Finding the Third Proportional to 488,012 and 1,057,480

Step by Step Solution

1. Step 1: Write the proportion equation
   488,012 : 1,057,480 = 1,057,480 : x
2. Step 2: Convert to fraction form
   488,012/1,057,480 = 1,057,480/x
3. Step 3: Cross multiply
   488,012x = 1,057,480 × 1,057,480
4. Step 4: Simplify right side
   488,012x = 1,118,263,950,400
5. Step 5: Solve for x
   x = 1,118,263,950,400/488,012
6. Step 6: Final answer
   x = 2,291,468.14