Finding the Third Proportional to 47,947.50 and 71,921.25

Step by Step Solution

1. Step 1: Write the proportion equation
   47,947.50 : 71,921.25 = 71,921.25 : x
2. Step 2: Convert to fraction form
   47,947.50/71,921.25 = 71,921.25/x
3. Step 3: Cross multiply
   47,947.50x = 71,921.25 × 71,921.25
4. Step 4: Simplify right side
   47,947.50x = 5,172,666,201.56
5. Step 5: Solve for x
   x = 5,172,666,201.56/47,947.50
6. Step 6: Final answer
   x = 107,881.88