Finding the Third Proportional to 448,404 and 655,362

Step by Step Solution

1. Step 1: Write the proportion equation
   448,404 : 655,362 = 655,362 : x
2. Step 2: Convert to fraction form
   448,404/655,362 = 655,362/x
3. Step 3: Cross multiply
   448,404x = 655,362 × 655,362
4. Step 4: Simplify right side
   448,404x = 429,499,351,044
5. Step 5: Solve for x
   x = 429,499,351,044/448,404
6. Step 6: Final answer
   x = 957,840.14