Finding the Third Proportional to 525,148.50 and 1,145,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   525,148.50 : 1,145,344.50 = 1,145,344.50 : x
2. Step 2: Convert to fraction form
   525,148.50/1,145,344.50 = 1,145,344.50/x
3. Step 3: Cross multiply
   525,148.50x = 1,145,344.50 × 1,145,344.50
4. Step 4: Simplify right side
   525,148.50x = 1,311,814,023,680.25
5. Step 5: Solve for x
   x = 1,311,814,023,680.25/525,148.50
6. Step 6: Final answer
   x = 2,497,986.81