Finding the Third Proportional to 713,711.25 and 1,042,085.25

Step by Step Solution

1. Step 1: Write the proportion equation
   713,711.25 : 1,042,085.25 = 1,042,085.25 : x
2. Step 2: Convert to fraction form
   713,711.25/1,042,085.25 = 1,042,085.25/x
3. Step 3: Cross multiply
   713,711.25x = 1,042,085.25 × 1,042,085.25
4. Step 4: Simplify right side
   713,711.25x = 1,085,941,668,267.56
5. Step 5: Solve for x
   x = 1,085,941,668,267.56/713,711.25
6. Step 6: Final answer
   x = 1,521,542.04