Finding the Third Proportional to 231,838 and 508,008

Step by Step Solution

1. Step 1: Write the proportion equation
   231,838 : 508,008 = 508,008 : x
2. Step 2: Convert to fraction form
   231,838/508,008 = 508,008/x
3. Step 3: Cross multiply
   231,838x = 508,008 × 508,008
4. Step 4: Simplify right side
   231,838x = 258,072,128,064
5. Step 5: Solve for x
   x = 258,072,128,064/231,838
6. Step 6: Final answer
   x = 1,113,157.15