Finding the Third Proportional to 285,280.50 and 441,501

Step by Step Solution

1. Step 1: Write the proportion equation
   285,280.50 : 441,501 = 441,501 : x
2. Step 2: Convert to fraction form
   285,280.50/441,501 = 441,501/x
3. Step 3: Cross multiply
   285,280.50x = 441,501 × 441,501
4. Step 4: Simplify right side
   285,280.50x = 194,923,133,001
5. Step 5: Solve for x
   x = 194,923,133,001/285,280.50
6. Step 6: Final answer
   x = 683,268.34