Finding the Third Proportional to 31,006 and 67,808

Step by Step Solution

1. Step 1: Write the proportion equation
   31,006 : 67,808 = 67,808 : x
2. Step 2: Convert to fraction form
   31,006/67,808 = 67,808/x
3. Step 3: Cross multiply
   31,006x = 67,808 × 67,808
4. Step 4: Simplify right side
   31,006x = 4,597,924,864
5. Step 5: Solve for x
   x = 4,597,924,864/31,006
6. Step 6: Final answer
   x = 148,291.46