Finding the Third Proportional to 31,770.98 and 68,771.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,770.98 : 68,771.95 = 68,771.95 : x
2. Step 2: Convert to fraction form
   31,770.98/68,771.95 = 68,771.95/x
3. Step 3: Cross multiply
   31,770.98x = 68,771.95 × 68,771.95
4. Step 4: Simplify right side
   31,770.98x = 4,729,581,536.63
5. Step 5: Solve for x
   x = 4,729,581,536.63/31,770.98
6. Step 6: Final answer
   x = 148,864.81