Finding the Third Proportional to 230,640 and 501,648

Step by Step Solution

1. Step 1: Write the proportion equation
   230,640 : 501,648 = 501,648 : x
2. Step 2: Convert to fraction form
   230,640/501,648 = 501,648/x
3. Step 3: Cross multiply
   230,640x = 501,648 × 501,648
4. Step 4: Simplify right side
   230,640x = 251,650,715,904
5. Step 5: Solve for x
   x = 251,650,715,904/230,640
6. Step 6: Final answer
   x = 1,091,097.45