Finding the Third Proportional to 19,280 and 42,250

Step by Step Solution

1. Step 1: Write the proportion equation
   19,280 : 42,250 = 42,250 : x
2. Step 2: Convert to fraction form
   19,280/42,250 = 42,250/x
3. Step 3: Cross multiply
   19,280x = 42,250 × 42,250
4. Step 4: Simplify right side
   19,280x = 1,785,062,500
5. Step 5: Solve for x
   x = 1,785,062,500/19,280
6. Step 6: Final answer
   x = 92,586.23