Finding the Third Proportional to 31,612 and 72,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,612 : 72,995.50 = 72,995.50 : x
2. Step 2: Convert to fraction form
   31,612/72,995.50 = 72,995.50/x
3. Step 3: Cross multiply
   31,612x = 72,995.50 × 72,995.50
4. Step 4: Simplify right side
   31,612x = 5,328,343,020.25
5. Step 5: Solve for x
   x = 5,328,343,020.25/31,612
6. Step 6: Final answer
   x = 168,554.44