Finding the Third Proportional to 216,368 and 472,100

Step by Step Solution

1. Step 1: Write the proportion equation
   216,368 : 472,100 = 472,100 : x
2. Step 2: Convert to fraction form
   216,368/472,100 = 472,100/x
3. Step 3: Cross multiply
   216,368x = 472,100 × 472,100
4. Step 4: Simplify right side
   216,368x = 222,878,410,000
5. Step 5: Solve for x
   x = 222,878,410,000/216,368
6. Step 6: Final answer
   x = 1,030,089.52