Finding the Third Proportional to 19,724 and 43,280

Step by Step Solution

1. Step 1: Write the proportion equation
   19,724 : 43,280 = 43,280 : x
2. Step 2: Convert to fraction form
   19,724/43,280 = 43,280/x
3. Step 3: Cross multiply
   19,724x = 43,280 × 43,280
4. Step 4: Simplify right side
   19,724x = 1,873,158,400
5. Step 5: Solve for x
   x = 1,873,158,400/19,724
6. Step 6: Final answer
   x = 94,968.49