Finding the Third Proportional to 31,503 and 42,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,503 : 42,034.50 = 42,034.50 : x
2. Step 2: Convert to fraction form
   31,503/42,034.50 = 42,034.50/x
3. Step 3: Cross multiply
   31,503x = 42,034.50 × 42,034.50
4. Step 4: Simplify right side
   31,503x = 1,766,899,190.25
5. Step 5: Solve for x
   x = 1,766,899,190.25/31,503
6. Step 6: Final answer
   x = 56,086.70