Finding the Third Proportional to 31,604.25 and 72,980.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,604.25 : 72,980.25 = 72,980.25 : x
2. Step 2: Convert to fraction form
   31,604.25/72,980.25 = 72,980.25/x
3. Step 3: Cross multiply
   31,604.25x = 72,980.25 × 72,980.25
4. Step 4: Simplify right side
   31,604.25x = 5,326,116,890.06
5. Step 5: Solve for x
   x = 5,326,116,890.06/31,604.25
6. Step 6: Final answer
   x = 168,525.34