Finding the Third Proportional to 217,764 and 468,900

Step by Step Solution

1. Step 1: Write the proportion equation
   217,764 : 468,900 = 468,900 : x
2. Step 2: Convert to fraction form
   217,764/468,900 = 468,900/x
3. Step 3: Cross multiply
   217,764x = 468,900 × 468,900
4. Step 4: Simplify right side
   217,764x = 219,867,210,000
5. Step 5: Solve for x
   x = 219,867,210,000/217,764
6. Step 6: Final answer
   x = 1,009,658.21