Finding the Third Proportional to 31,788 and 67,797

Step by Step Solution

1. Step 1: Write the proportion equation
   31,788 : 67,797 = 67,797 : x
2. Step 2: Convert to fraction form
   31,788/67,797 = 67,797/x
3. Step 3: Cross multiply
   31,788x = 67,797 × 67,797
4. Step 4: Simplify right side
   31,788x = 4,596,433,209
5. Step 5: Solve for x
   x = 4,596,433,209/31,788
6. Step 6: Final answer
   x = 144,596.49