Finding the Third Proportional to 31,840.59 and 67,474.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,840.59 : 67,474.27 = 67,474.27 : x
2. Step 2: Convert to fraction form
   31,840.59/67,474.27 = 67,474.27/x
3. Step 3: Cross multiply
   31,840.59x = 67,474.27 × 67,474.27
4. Step 4: Simplify right side
   31,840.59x = 4,552,776,521.63
5. Step 5: Solve for x
   x = 4,552,776,521.63/31,840.59
6. Step 6: Final answer
   x = 142,986.55