Finding the Third Proportional to 89,872.03 and 208,072.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,872.03 : 208,072.55 = 208,072.55 : x
2. Step 2: Convert to fraction form
   89,872.03/208,072.55 = 208,072.55/x
3. Step 3: Cross multiply
   89,872.03x = 208,072.55 × 208,072.55
4. Step 4: Simplify right side
   89,872.03x = 43,294,184,763.05
5. Step 5: Solve for x
   x = 43,294,184,763.05/89,872.03
6. Step 6: Final answer
   x = 481,731.46