Finding the Third Proportional to 217,496 and 476,464

Step by Step Solution

1. Step 1: Write the proportion equation
   217,496 : 476,464 = 476,464 : x
2. Step 2: Convert to fraction form
   217,496/476,464 = 476,464/x
3. Step 3: Cross multiply
   217,496x = 476,464 × 476,464
4. Step 4: Simplify right side
   217,496x = 227,017,943,296
5. Step 5: Solve for x
   x = 227,017,943,296/217,496
6. Step 6: Final answer
   x = 1,043,779.85