Finding the Third Proportional to 42,126.75 and 90,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,126.75 : 90,004.50 = 90,004.50 : x
2. Step 2: Convert to fraction form
   42,126.75/90,004.50 = 90,004.50/x
3. Step 3: Cross multiply
   42,126.75x = 90,004.50 × 90,004.50
4. Step 4: Simplify right side
   42,126.75x = 8,100,810,020.25
5. Step 5: Solve for x
   x = 8,100,810,020.25/42,126.75
6. Step 6: Final answer
   x = 192,296.11