Finding the Third Proportional to 212,952 and 469,112

Step by Step Solution

1. Step 1: Write the proportion equation
   212,952 : 469,112 = 469,112 : x
2. Step 2: Convert to fraction form
   212,952/469,112 = 469,112/x
3. Step 3: Cross multiply
   212,952x = 469,112 × 469,112
4. Step 4: Simplify right side
   212,952x = 220,066,068,544
5. Step 5: Solve for x
   x = 220,066,068,544/212,952
6. Step 6: Final answer
   x = 1,033,406.91