Finding the Third Proportional to 49,921.88 and 75,402.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,921.88 : 75,402.56 = 75,402.56 : x
2. Step 2: Convert to fraction form
   49,921.88/75,402.56 = 75,402.56/x
3. Step 3: Cross multiply
   49,921.88x = 75,402.56 × 75,402.56
4. Step 4: Simplify right side
   49,921.88x = 5,685,546,431.57
5. Step 5: Solve for x
   x = 5,685,546,431.57/49,921.88
6. Step 6: Final answer
   x = 113,888.88