Finding the Third Proportional to 49,870.50 and 74,856

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870.50 : 74,856 = 74,856 : x
2. Step 2: Convert to fraction form
   49,870.50/74,856 = 74,856/x
3. Step 3: Cross multiply
   49,870.50x = 74,856 × 74,856
4. Step 4: Simplify right side
   49,870.50x = 5,603,420,736
5. Step 5: Solve for x
   x = 5,603,420,736/49,870.50
6. Step 6: Final answer
   x = 112,359.43