Finding the Third Proportional to 51,841.50 and 74,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,841.50 : 74,931.50 = 74,931.50 : x
2. Step 2: Convert to fraction form
   51,841.50/74,931.50 = 74,931.50/x
3. Step 3: Cross multiply
   51,841.50x = 74,931.50 × 74,931.50
4. Step 4: Simplify right side
   51,841.50x = 5,614,729,692.25
5. Step 5: Solve for x
   x = 5,614,729,692.25/51,841.50
6. Step 6: Final answer
   x = 108,305.70