Finding the Third Proportional to 210,456 and 450,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,456 : 450,796.50 = 450,796.50 : x
2. Step 2: Convert to fraction form
   210,456/450,796.50 = 450,796.50/x
3. Step 3: Cross multiply
   210,456x = 450,796.50 × 450,796.50
4. Step 4: Simplify right side
   210,456x = 203,217,484,412.25
5. Step 5: Solve for x
   x = 203,217,484,412.25/210,456
6. Step 6: Final answer
   x = 965,605.56