Finding the Third Proportional to 459,715.25 and 713,630

Step by Step Solution

1. Step 1: Write the proportion equation
   459,715.25 : 713,630 = 713,630 : x
2. Step 2: Convert to fraction form
   459,715.25/713,630 = 713,630/x
3. Step 3: Cross multiply
   459,715.25x = 713,630 × 713,630
4. Step 4: Simplify right side
   459,715.25x = 509,267,776,900
5. Step 5: Solve for x
   x = 509,267,776,900/459,715.25
6. Step 6: Final answer
   x = 1,107,789.61