Finding the Third Proportional to 228,112.50 and 340,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,112.50 : 340,300.50 = 340,300.50 : x
2. Step 2: Convert to fraction form
   228,112.50/340,300.50 = 340,300.50/x
3. Step 3: Cross multiply
   228,112.50x = 340,300.50 × 340,300.50
4. Step 4: Simplify right side
   228,112.50x = 115,804,430,300.25
5. Step 5: Solve for x
   x = 115,804,430,300.25/228,112.50
6. Step 6: Final answer
   x = 507,663.68