Finding the Third Proportional to 83,857.78 and 181,915.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,857.78 : 181,915.88 = 181,915.88 : x
2. Step 2: Convert to fraction form
   83,857.78/181,915.88 = 181,915.88/x
3. Step 3: Cross multiply
   83,857.78x = 181,915.88 × 181,915.88
4. Step 4: Simplify right side
   83,857.78x = 33,093,385,577.02
5. Step 5: Solve for x
   x = 33,093,385,577.02/83,857.78
6. Step 6: Final answer
   x = 394,637.03