Finding the Third Proportional to 243,804.50 and 323,501

Step by Step Solution

1. Step 1: Write the proportion equation
   243,804.50 : 323,501 = 323,501 : x
2. Step 2: Convert to fraction form
   243,804.50/323,501 = 323,501/x
3. Step 3: Cross multiply
   243,804.50x = 323,501 × 323,501
4. Step 4: Simplify right side
   243,804.50x = 104,652,897,001
5. Step 5: Solve for x
   x = 104,652,897,001/243,804.50
6. Step 6: Final answer
   x = 429,249.24