Finding the Third Proportional to 210,376 and 459,300

Step by Step Solution

1. Step 1: Write the proportion equation
   210,376 : 459,300 = 459,300 : x
2. Step 2: Convert to fraction form
   210,376/459,300 = 459,300/x
3. Step 3: Cross multiply
   210,376x = 459,300 × 459,300
4. Step 4: Simplify right side
   210,376x = 210,956,490,000
5. Step 5: Solve for x
   x = 210,956,490,000/210,376
6. Step 6: Final answer
   x = 1,002,759.30