Finding the Third Proportional to 233,560 and 510,740

Step by Step Solution

1. Step 1: Write the proportion equation
   233,560 : 510,740 = 510,740 : x
2. Step 2: Convert to fraction form
   233,560/510,740 = 510,740/x
3. Step 3: Cross multiply
   233,560x = 510,740 × 510,740
4. Step 4: Simplify right side
   233,560x = 260,855,347,600
5. Step 5: Solve for x
   x = 260,855,347,600/233,560
6. Step 6: Final answer
   x = 1,116,866.53