Finding the Third Proportional to 34,243 and 73,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,243 : 73,578.50 = 73,578.50 : x
2. Step 2: Convert to fraction form
   34,243/73,578.50 = 73,578.50/x
3. Step 3: Cross multiply
   34,243x = 73,578.50 × 73,578.50
4. Step 4: Simplify right side
   34,243x = 5,413,795,662.25
5. Step 5: Solve for x
   x = 5,413,795,662.25/34,243
6. Step 6: Final answer
   x = 158,099.34