Finding the Third Proportional to 216,308 and 465,898

Step by Step Solution

1. Step 1: Write the proportion equation
   216,308 : 465,898 = 465,898 : x
2. Step 2: Convert to fraction form
   216,308/465,898 = 465,898/x
3. Step 3: Cross multiply
   216,308x = 465,898 × 465,898
4. Step 4: Simplify right side
   216,308x = 217,060,946,404
5. Step 5: Solve for x
   x = 217,060,946,404/216,308
6. Step 6: Final answer
   x = 1,003,480.90