Finding the Third Proportional to 42,112.50 and 90,903.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112.50 : 90,903.75 = 90,903.75 : x
2. Step 2: Convert to fraction form
   42,112.50/90,903.75 = 90,903.75/x
3. Step 3: Cross multiply
   42,112.50x = 90,903.75 × 90,903.75
4. Step 4: Simplify right side
   42,112.50x = 8,263,491,764.06
5. Step 5: Solve for x
   x = 8,263,491,764.06/42,112.50
6. Step 6: Final answer
   x = 196,224.20