Finding the Third Proportional to 228,906 and 348,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,906 : 348,043.50 = 348,043.50 : x
2. Step 2: Convert to fraction form
   228,906/348,043.50 = 348,043.50/x
3. Step 3: Cross multiply
   228,906x = 348,043.50 × 348,043.50
4. Step 4: Simplify right side
   228,906x = 121,134,277,892.25
5. Step 5: Solve for x
   x = 121,134,277,892.25/228,906
6. Step 6: Final answer
   x = 529,187.87