Finding the Third Proportional to 216,968 and 472,492

Step by Step Solution

1. Step 1: Write the proportion equation
   216,968 : 472,492 = 472,492 : x
2. Step 2: Convert to fraction form
   216,968/472,492 = 472,492/x
3. Step 3: Cross multiply
   216,968x = 472,492 × 472,492
4. Step 4: Simplify right side
   216,968x = 223,248,690,064
5. Step 5: Solve for x
   x = 223,248,690,064/216,968
6. Step 6: Final answer
   x = 1,028,947.54