Finding the Third Proportional to 31,236 and 45,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,236 : 45,682.50 = 45,682.50 : x
2. Step 2: Convert to fraction form
   31,236/45,682.50 = 45,682.50/x
3. Step 3: Cross multiply
   31,236x = 45,682.50 × 45,682.50
4. Step 4: Simplify right side
   31,236x = 2,086,890,806.25
5. Step 5: Solve for x
   x = 2,086,890,806.25/31,236
6. Step 6: Final answer
   x = 66,810.44