Finding the Third Proportional to 525,015 and 814,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   525,015 : 814,468.50 = 814,468.50 : x
2. Step 2: Convert to fraction form
   525,015/814,468.50 = 814,468.50/x
3. Step 3: Cross multiply
   525,015x = 814,468.50 × 814,468.50
4. Step 4: Simplify right side
   525,015x = 663,358,937,492.25
5. Step 5: Solve for x
   x = 663,358,937,492.25/525,015
6. Step 6: Final answer
   x = 1,263,504.73