Finding the Third Proportional to 31,601.25 and 72,973.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,601.25 : 72,973.13 = 72,973.13 : x
2. Step 2: Convert to fraction form
   31,601.25/72,973.13 = 72,973.13/x
3. Step 3: Cross multiply
   31,601.25x = 72,973.13 × 72,973.13
4. Step 4: Simplify right side
   31,601.25x = 5,325,076,972.27
5. Step 5: Solve for x
   x = 5,325,076,972.27/31,601.25
6. Step 6: Final answer
   x = 168,508.43