Finding the Third Proportional to 216,256 and 473,968

Step by Step Solution

1. Step 1: Write the proportion equation
   216,256 : 473,968 = 473,968 : x
2. Step 2: Convert to fraction form
   216,256/473,968 = 473,968/x
3. Step 3: Cross multiply
   216,256x = 473,968 × 473,968
4. Step 4: Simplify right side
   216,256x = 224,645,665,024
5. Step 5: Solve for x
   x = 224,645,665,024/216,256
6. Step 6: Final answer
   x = 1,038,795.06