Finding the Third Proportional to 74,015 and 174,606.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,015 : 174,606.25 = 174,606.25 : x
2. Step 2: Convert to fraction form
   74,015/174,606.25 = 174,606.25/x
3. Step 3: Cross multiply
   74,015x = 174,606.25 × 174,606.25
4. Step 4: Simplify right side
   74,015x = 30,487,342,539.06
5. Step 5: Solve for x
   x = 30,487,342,539.06/74,015
6. Step 6: Final answer
   x = 411,907.62