Finding the Third Proportional to 42,338 and 90,512.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,338 : 90,512.50 = 90,512.50 : x
2. Step 2: Convert to fraction form
   42,338/90,512.50 = 90,512.50/x
3. Step 3: Cross multiply
   42,338x = 90,512.50 × 90,512.50
4. Step 4: Simplify right side
   42,338x = 8,192,512,656.25
5. Step 5: Solve for x
   x = 8,192,512,656.25/42,338
6. Step 6: Final answer
   x = 193,502.59