Finding the Third Proportional to 521,424 and 1,142,480

Step by Step Solution

1. Step 1: Write the proportion equation
   521,424 : 1,142,480 = 1,142,480 : x
2. Step 2: Convert to fraction form
   521,424/1,142,480 = 1,142,480/x
3. Step 3: Cross multiply
   521,424x = 1,142,480 × 1,142,480
4. Step 4: Simplify right side
   521,424x = 1,305,260,550,400
5. Step 5: Solve for x
   x = 1,305,260,550,400/521,424
6. Step 6: Final answer
   x = 2,503,261.36