Finding the Third Proportional to 42,280.50 and 91,101.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.50 : 91,101.75 = 91,101.75 : x
2. Step 2: Convert to fraction form
   42,280.50/91,101.75 = 91,101.75/x
3. Step 3: Cross multiply
   42,280.50x = 91,101.75 × 91,101.75
4. Step 4: Simplify right side
   42,280.50x = 8,299,528,853.06
5. Step 5: Solve for x
   x = 8,299,528,853.06/42,280.50
6. Step 6: Final answer
   x = 196,296.85