Finding the Third Proportional to 210,406 and 452,892

Step by Step Solution

1. Step 1: Write the proportion equation
   210,406 : 452,892 = 452,892 : x
2. Step 2: Convert to fraction form
   210,406/452,892 = 452,892/x
3. Step 3: Cross multiply
   210,406x = 452,892 × 452,892
4. Step 4: Simplify right side
   210,406x = 205,111,163,664
5. Step 5: Solve for x
   x = 205,111,163,664/210,406
6. Step 6: Final answer
   x = 974,835.15