Finding the Third Proportional to 525,796.31 and 858,498.75

Step by Step Solution

1. Step 1: Write the proportion equation
   525,796.31 : 858,498.75 = 858,498.75 : x
2. Step 2: Convert to fraction form
   525,796.31/858,498.75 = 858,498.75/x
3. Step 3: Cross multiply
   525,796.31x = 858,498.75 × 858,498.75
4. Step 4: Simplify right side
   525,796.31x = 737,020,103,751.56
5. Step 5: Solve for x
   x = 737,020,103,751.56/525,796.31
6. Step 6: Final answer
   x = 1,401,721.71