Finding the Third Proportional to 31,778 and 60,670

Step by Step Solution

1. Step 1: Write the proportion equation
   31,778 : 60,670 = 60,670 : x
2. Step 2: Convert to fraction form
   31,778/60,670 = 60,670/x
3. Step 3: Cross multiply
   31,778x = 60,670 × 60,670
4. Step 4: Simplify right side
   31,778x = 3,680,848,900
5. Step 5: Solve for x
   x = 3,680,848,900/31,778
6. Step 6: Final answer
   x = 115,830.10