Finding the Third Proportional to 31,563 and 68,850

Step by Step Solution

1. Step 1: Write the proportion equation
   31,563 : 68,850 = 68,850 : x
2. Step 2: Convert to fraction form
   31,563/68,850 = 68,850/x
3. Step 3: Cross multiply
   31,563x = 68,850 × 68,850
4. Step 4: Simplify right side
   31,563x = 4,740,322,500
5. Step 5: Solve for x
   x = 4,740,322,500/31,563
6. Step 6: Final answer
   x = 150,186.06