Finding the Third Proportional to 472,776 and 1,024,320

Step by Step Solution

1. Step 1: Write the proportion equation
   472,776 : 1,024,320 = 1,024,320 : x
2. Step 2: Convert to fraction form
   472,776/1,024,320 = 1,024,320/x
3. Step 3: Cross multiply
   472,776x = 1,024,320 × 1,024,320
4. Step 4: Simplify right side
   472,776x = 1,049,231,462,400
5. Step 5: Solve for x
   x = 1,049,231,462,400/472,776
6. Step 6: Final answer
   x = 2,219,299.33