Finding the Third Proportional to 228,564 and 348,646.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,564 : 348,646.50 = 348,646.50 : x
2. Step 2: Convert to fraction form
   228,564/348,646.50 = 348,646.50/x
3. Step 3: Cross multiply
   228,564x = 348,646.50 × 348,646.50
4. Step 4: Simplify right side
   228,564x = 121,554,381,962.25
5. Step 5: Solve for x
   x = 121,554,381,962.25/228,564
6. Step 6: Final answer
   x = 531,817.71