Finding the Third Proportional to 19,878 and 43,308

Step by Step Solution

1. Step 1: Write the proportion equation
   19,878 : 43,308 = 43,308 : x
2. Step 2: Convert to fraction form
   19,878/43,308 = 43,308/x
3. Step 3: Cross multiply
   19,878x = 43,308 × 43,308
4. Step 4: Simplify right side
   19,878x = 1,875,582,864
5. Step 5: Solve for x
   x = 1,875,582,864/19,878
6. Step 6: Final answer
   x = 94,354.71