Finding the Third Proportional to 42,124.50 and 90,596.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,124.50 : 90,596.25 = 90,596.25 : x
2. Step 2: Convert to fraction form
   42,124.50/90,596.25 = 90,596.25/x
3. Step 3: Cross multiply
   42,124.50x = 90,596.25 × 90,596.25
4. Step 4: Simplify right side
   42,124.50x = 8,207,680,514.06
5. Step 5: Solve for x
   x = 8,207,680,514.06/42,124.50
6. Step 6: Final answer
   x = 194,843.39