Finding the Third Proportional to 362,128.50 and 547,848

Step by Step Solution

1. Step 1: Write the proportion equation
   362,128.50 : 547,848 = 547,848 : x
2. Step 2: Convert to fraction form
   362,128.50/547,848 = 547,848/x
3. Step 3: Cross multiply
   362,128.50x = 547,848 × 547,848
4. Step 4: Simplify right side
   362,128.50x = 300,137,431,104
5. Step 5: Solve for x
   x = 300,137,431,104/362,128.50
6. Step 6: Final answer
   x = 828,814.72