Finding the Third Proportional to 231,026 and 501,580

Step by Step Solution

1. Step 1: Write the proportion equation
   231,026 : 501,580 = 501,580 : x
2. Step 2: Convert to fraction form
   231,026/501,580 = 501,580/x
3. Step 3: Cross multiply
   231,026x = 501,580 × 501,580
4. Step 4: Simplify right side
   231,026x = 251,582,496,400
5. Step 5: Solve for x
   x = 251,582,496,400/231,026
6. Step 6: Final answer
   x = 1,088,979.15