Finding the Third Proportional to 81,495 and 171,839.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,495 : 171,839.25 = 171,839.25 : x
2. Step 2: Convert to fraction form
   81,495/171,839.25 = 171,839.25/x
3. Step 3: Cross multiply
   81,495x = 171,839.25 × 171,839.25
4. Step 4: Simplify right side
   81,495x = 29,528,727,840.56
5. Step 5: Solve for x
   x = 29,528,727,840.56/81,495
6. Step 6: Final answer
   x = 362,337.91