Finding the Third Proportional to 31,262.50 and 69,282

Step by Step Solution

1. Step 1: Write the proportion equation
   31,262.50 : 69,282 = 69,282 : x
2. Step 2: Convert to fraction form
   31,262.50/69,282 = 69,282/x
3. Step 3: Cross multiply
   31,262.50x = 69,282 × 69,282
4. Step 4: Simplify right side
   31,262.50x = 4,799,995,524
5. Step 5: Solve for x
   x = 4,799,995,524/31,262.50
6. Step 6: Final answer
   x = 153,538.44