Finding the Third Proportional to 112,838.25 and 271,878

Step by Step Solution

1. Step 1: Write the proportion equation
   112,838.25 : 271,878 = 271,878 : x
2. Step 2: Convert to fraction form
   112,838.25/271,878 = 271,878/x
3. Step 3: Cross multiply
   112,838.25x = 271,878 × 271,878
4. Step 4: Simplify right side
   112,838.25x = 73,917,646,884
5. Step 5: Solve for x
   x = 73,917,646,884/112,838.25
6. Step 6: Final answer
   x = 655,076.15