Finding the Third Proportional to 210,348 and 459,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,348 : 459,238.50 = 459,238.50 : x
2. Step 2: Convert to fraction form
   210,348/459,238.50 = 459,238.50/x
3. Step 3: Cross multiply
   210,348x = 459,238.50 × 459,238.50
4. Step 4: Simplify right side
   210,348x = 210,899,999,882.25
5. Step 5: Solve for x
   x = 210,899,999,882.25/210,348
6. Step 6: Final answer
   x = 1,002,624.22