Finding the Third Proportional to 525,288 and 764,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   525,288 : 764,968.50 = 764,968.50 : x
2. Step 2: Convert to fraction form
   525,288/764,968.50 = 764,968.50/x
3. Step 3: Cross multiply
   525,288x = 764,968.50 × 764,968.50
4. Step 4: Simplify right side
   525,288x = 585,176,805,992.25
5. Step 5: Solve for x
   x = 585,176,805,992.25/525,288
6. Step 6: Final answer
   x = 1,114,011.37