Finding the Third Proportional to 72,574 and 153,954

Step by Step Solution

1. Step 1: Write the proportion equation
   72,574 : 153,954 = 153,954 : x
2. Step 2: Convert to fraction form
   72,574/153,954 = 153,954/x
3. Step 3: Cross multiply
   72,574x = 153,954 × 153,954
4. Step 4: Simplify right side
   72,574x = 23,701,834,116
5. Step 5: Solve for x
   x = 23,701,834,116/72,574
6. Step 6: Final answer
   x = 326,588.50