Finding the Third Proportional to 212,116 and 468,392

Step by Step Solution

1. Step 1: Write the proportion equation
   212,116 : 468,392 = 468,392 : x
2. Step 2: Convert to fraction form
   212,116/468,392 = 468,392/x
3. Step 3: Cross multiply
   212,116x = 468,392 × 468,392
4. Step 4: Simplify right side
   212,116x = 219,391,065,664
5. Step 5: Solve for x
   x = 219,391,065,664/212,116
6. Step 6: Final answer
   x = 1,034,297.58