Finding the Third Proportional to 233,139 and 508,434

Step by Step Solution

1. Step 1: Write the proportion equation
   233,139 : 508,434 = 508,434 : x
2. Step 2: Convert to fraction form
   233,139/508,434 = 508,434/x
3. Step 3: Cross multiply
   233,139x = 508,434 × 508,434
4. Step 4: Simplify right side
   233,139x = 258,505,132,356
5. Step 5: Solve for x
   x = 258,505,132,356/233,139
6. Step 6: Final answer
   x = 1,108,802.61