Finding the Third Proportional to 210,301.31 and 458,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   210,301.31 : 458,667.25 = 458,667.25 : x
2. Step 2: Convert to fraction form
   210,301.31/458,667.25 = 458,667.25/x
3. Step 3: Cross multiply
   210,301.31x = 458,667.25 × 458,667.25
4. Step 4: Simplify right side
   210,301.31x = 210,375,642,639.23
5. Step 5: Solve for x
   x = 210,375,642,639.23/210,301.31
6. Step 6: Final answer
   x = 1,000,353.45