Finding the Third Proportional to 215,926 and 456,772

Step by Step Solution

1. Step 1: Write the proportion equation
   215,926 : 456,772 = 456,772 : x
2. Step 2: Convert to fraction form
   215,926/456,772 = 456,772/x
3. Step 3: Cross multiply
   215,926x = 456,772 × 456,772
4. Step 4: Simplify right side
   215,926x = 208,640,659,984
5. Step 5: Solve for x
   x = 208,640,659,984/215,926
6. Step 6: Final answer
   x = 966,260.01