Finding the Third Proportional to 231,460 and 349,648

Step by Step Solution

1. Step 1: Write the proportion equation
   231,460 : 349,648 = 349,648 : x
2. Step 2: Convert to fraction form
   231,460/349,648 = 349,648/x
3. Step 3: Cross multiply
   231,460x = 349,648 × 349,648
4. Step 4: Simplify right side
   231,460x = 122,253,723,904
5. Step 5: Solve for x
   x = 122,253,723,904/231,460
6. Step 6: Final answer
   x = 528,185.10