Finding the Third Proportional to 210,993 and 449,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,993 : 449,662.50 = 449,662.50 : x
2. Step 2: Convert to fraction form
   210,993/449,662.50 = 449,662.50/x
3. Step 3: Cross multiply
   210,993x = 449,662.50 × 449,662.50
4. Step 4: Simplify right side
   210,993x = 202,196,363,906.25
5. Step 5: Solve for x
   x = 202,196,363,906.25/210,993
6. Step 6: Final answer
   x = 958,308.40