Finding the Third Proportional to 42,388.88 and 91,338.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,388.88 : 91,338.75 = 91,338.75 : x
2. Step 2: Convert to fraction form
   42,388.88/91,338.75 = 91,338.75/x
3. Step 3: Cross multiply
   42,388.88x = 91,338.75 × 91,338.75
4. Step 4: Simplify right side
   42,388.88x = 8,342,767,251.56
5. Step 5: Solve for x
   x = 8,342,767,251.56/42,388.88
6. Step 6: Final answer
   x = 196,815.02