Finding the Third Proportional to 233,128.50 and 348,249

Step by Step Solution

1. Step 1: Write the proportion equation
   233,128.50 : 348,249 = 348,249 : x
2. Step 2: Convert to fraction form
   233,128.50/348,249 = 348,249/x
3. Step 3: Cross multiply
   233,128.50x = 348,249 × 348,249
4. Step 4: Simplify right side
   233,128.50x = 121,277,366,001
5. Step 5: Solve for x
   x = 121,277,366,001/233,128.50
6. Step 6: Final answer
   x = 520,216.82