Finding the Third Proportional to 215,200 and 466,688

Step by Step Solution

1. Step 1: Write the proportion equation
   215,200 : 466,688 = 466,688 : x
2. Step 2: Convert to fraction form
   215,200/466,688 = 466,688/x
3. Step 3: Cross multiply
   215,200x = 466,688 × 466,688
4. Step 4: Simplify right side
   215,200x = 217,797,689,344
5. Step 5: Solve for x
   x = 217,797,689,344/215,200
6. Step 6: Final answer
   x = 1,012,071.05