Finding the Third Proportional to 213,140 and 466,888

Step by Step Solution

1. Step 1: Write the proportion equation
   213,140 : 466,888 = 466,888 : x
2. Step 2: Convert to fraction form
   213,140/466,888 = 466,888/x
3. Step 3: Cross multiply
   213,140x = 466,888 × 466,888
4. Step 4: Simplify right side
   213,140x = 217,984,404,544
5. Step 5: Solve for x
   x = 217,984,404,544/213,140
6. Step 6: Final answer
   x = 1,022,728.74