Finding the Third Proportional to 245,317.50 and 543,672

Step by Step Solution

1. Step 1: Write the proportion equation
   245,317.50 : 543,672 = 543,672 : x
2. Step 2: Convert to fraction form
   245,317.50/543,672 = 543,672/x
3. Step 3: Cross multiply
   245,317.50x = 543,672 × 543,672
4. Step 4: Simplify right side
   245,317.50x = 295,579,243,584
5. Step 5: Solve for x
   x = 295,579,243,584/245,317.50
6. Step 6: Final answer
   x = 1,204,884.46