Finding the Third Proportional to 456,562 and 709,710

Step by Step Solution

1. Step 1: Write the proportion equation
   456,562 : 709,710 = 709,710 : x
2. Step 2: Convert to fraction form
   456,562/709,710 = 709,710/x
3. Step 3: Cross multiply
   456,562x = 709,710 × 709,710
4. Step 4: Simplify right side
   456,562x = 503,688,284,100
5. Step 5: Solve for x
   x = 503,688,284,100/456,562
6. Step 6: Final answer
   x = 1,103,219.90