Finding the Third Proportional to 236,809.50 and 507,396

Step by Step Solution

1. Step 1: Write the proportion equation
   236,809.50 : 507,396 = 507,396 : x
2. Step 2: Convert to fraction form
   236,809.50/507,396 = 507,396/x
3. Step 3: Cross multiply
   236,809.50x = 507,396 × 507,396
4. Step 4: Simplify right side
   236,809.50x = 257,450,700,816
5. Step 5: Solve for x
   x = 257,450,700,816/236,809.50
6. Step 6: Final answer
   x = 1,087,163.74