Finding the Third Proportional to 56,256 and 87,849

Step by Step Solution

1. Step 1: Write the proportion equation
   56,256 : 87,849 = 87,849 : x
2. Step 2: Convert to fraction form
   56,256/87,849 = 87,849/x
3. Step 3: Cross multiply
   56,256x = 87,849 × 87,849
4. Step 4: Simplify right side
   56,256x = 7,717,446,801
5. Step 5: Solve for x
   x = 7,717,446,801/56,256
6. Step 6: Final answer
   x = 137,184.42