Finding the Third Proportional to 210,368 and 459,292

Step by Step Solution

1. Step 1: Write the proportion equation
   210,368 : 459,292 = 459,292 : x
2. Step 2: Convert to fraction form
   210,368/459,292 = 459,292/x
3. Step 3: Cross multiply
   210,368x = 459,292 × 459,292
4. Step 4: Simplify right side
   210,368x = 210,949,141,264
5. Step 5: Solve for x
   x = 210,949,141,264/210,368
6. Step 6: Final answer
   x = 1,002,762.50