Finding the Third Proportional to 42,205.50 and 90,060.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,205.50 : 90,060.75 = 90,060.75 : x
2. Step 2: Convert to fraction form
   42,205.50/90,060.75 = 90,060.75/x
3. Step 3: Cross multiply
   42,205.50x = 90,060.75 × 90,060.75
4. Step 4: Simplify right side
   42,205.50x = 8,110,938,690.56
5. Step 5: Solve for x
   x = 8,110,938,690.56/42,205.50
6. Step 6: Final answer
   x = 192,177.29