Finding the Third Proportional to 50,128.50 and 74,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,128.50 : 74,947.50 = 74,947.50 : x
2. Step 2: Convert to fraction form
   50,128.50/74,947.50 = 74,947.50/x
3. Step 3: Cross multiply
   50,128.50x = 74,947.50 × 74,947.50
4. Step 4: Simplify right side
   50,128.50x = 5,617,127,756.25
5. Step 5: Solve for x
   x = 5,617,127,756.25/50,128.50
6. Step 6: Final answer
   x = 112,054.57