Finding the Third Proportional to 210,327 and 458,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,327 : 458,716.50 = 458,716.50 : x
2. Step 2: Convert to fraction form
   210,327/458,716.50 = 458,716.50/x
3. Step 3: Cross multiply
   210,327x = 458,716.50 × 458,716.50
4. Step 4: Simplify right side
   210,327x = 210,420,827,372.25
5. Step 5: Solve for x
   x = 210,420,827,372.25/210,327
6. Step 6: Final answer
   x = 1,000,446.10