Finding the Third Proportional to 42,108.75 and 90,051.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.75 : 90,051.38 = 90,051.38 : x
2. Step 2: Convert to fraction form
   42,108.75/90,051.38 = 90,051.38/x
3. Step 3: Cross multiply
   42,108.75x = 90,051.38 × 90,051.38
4. Step 4: Simplify right side
   42,108.75x = 8,109,250,139.39
5. Step 5: Solve for x
   x = 8,109,250,139.39/42,108.75
6. Step 6: Final answer
   x = 192,578.74