Finding the Third Proportional to 217,216.50 and 464,808

Step by Step Solution

1. Step 1: Write the proportion equation
   217,216.50 : 464,808 = 464,808 : x
2. Step 2: Convert to fraction form
   217,216.50/464,808 = 464,808/x
3. Step 3: Cross multiply
   217,216.50x = 464,808 × 464,808
4. Step 4: Simplify right side
   217,216.50x = 216,046,476,864
5. Step 5: Solve for x
   x = 216,046,476,864/217,216.50
6. Step 6: Final answer
   x = 994,613.56