Finding the Third Proportional to 210,370 and 462,806

Step by Step Solution

1. Step 1: Write the proportion equation
   210,370 : 462,806 = 462,806 : x
2. Step 2: Convert to fraction form
   210,370/462,806 = 462,806/x
3. Step 3: Cross multiply
   210,370x = 462,806 × 462,806
4. Step 4: Simplify right side
   210,370x = 214,189,393,636
5. Step 5: Solve for x
   x = 214,189,393,636/210,370
6. Step 6: Final answer
   x = 1,018,155.60