Finding the Third Proportional to 42,106.25 and 90,046.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,106.25 : 90,046.75 = 90,046.75 : x
2. Step 2: Convert to fraction form
   42,106.25/90,046.75 = 90,046.75/x
3. Step 3: Cross multiply
   42,106.25x = 90,046.75 × 90,046.75
4. Step 4: Simplify right side
   42,106.25x = 8,108,417,185.56
5. Step 5: Solve for x
   x = 8,108,417,185.56/42,106.25
6. Step 6: Final answer
   x = 192,570.39