Finding the Third Proportional to 231,624 and 507,580

Step by Step Solution

1. Step 1: Write the proportion equation
   231,624 : 507,580 = 507,580 : x
2. Step 2: Convert to fraction form
   231,624/507,580 = 507,580/x
3. Step 3: Cross multiply
   231,624x = 507,580 × 507,580
4. Step 4: Simplify right side
   231,624x = 257,637,456,400
5. Step 5: Solve for x
   x = 257,637,456,400/231,624
6. Step 6: Final answer
   x = 1,112,308.99