Finding the Third Proportional to 81,393.75 and 174,468.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,393.75 : 174,468.38 = 174,468.38 : x
2. Step 2: Convert to fraction form
   81,393.75/174,468.38 = 174,468.38/x
3. Step 3: Cross multiply
   81,393.75x = 174,468.38 × 174,468.38
4. Step 4: Simplify right side
   81,393.75x = 30,439,213,875.14
5. Step 5: Solve for x
   x = 30,439,213,875.14/81,393.75
6. Step 6: Final answer
   x = 373,974.83