Finding the Third Proportional to 42,150.94 and 90,280.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.94 : 90,280.69 = 90,280.69 : x
2. Step 2: Convert to fraction form
   42,150.94/90,280.69 = 90,280.69/x
3. Step 3: Cross multiply
   42,150.94x = 90,280.69 × 90,280.69
4. Step 4: Simplify right side
   42,150.94x = 8,150,602,535.47
5. Step 5: Solve for x
   x = 8,150,602,535.47/42,150.94
6. Step 6: Final answer
   x = 193,367.05