Finding the Third Proportional to 31,000.50 and 71,973

Step by Step Solution

1. Step 1: Write the proportion equation
   31,000.50 : 71,973 = 71,973 : x
2. Step 2: Convert to fraction form
   31,000.50/71,973 = 71,973/x
3. Step 3: Cross multiply
   31,000.50x = 71,973 × 71,973
4. Step 4: Simplify right side
   31,000.50x = 5,180,112,729
5. Step 5: Solve for x
   x = 5,180,112,729/31,000.50
6. Step 6: Final answer
   x = 167,097.72