Finding the Third Proportional to 81,057 and 174,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,057 : 174,598.50 = 174,598.50 : x
2. Step 2: Convert to fraction form
   81,057/174,598.50 = 174,598.50/x
3. Step 3: Cross multiply
   81,057x = 174,598.50 × 174,598.50
4. Step 4: Simplify right side
   81,057x = 30,484,636,202.25
5. Step 5: Solve for x
   x = 30,484,636,202.25/81,057
6. Step 6: Final answer
   x = 376,088.88