Finding the Third Proportional to 20,848.64 and 45,854.86

Step by Step Solution

1. Step 1: Write the proportion equation
   20,848.64 : 45,854.86 = 45,854.86 : x
2. Step 2: Convert to fraction form
   20,848.64/45,854.86 = 45,854.86/x
3. Step 3: Cross multiply
   20,848.64x = 45,854.86 × 45,854.86
4. Step 4: Simplify right side
   20,848.64x = 2,102,668,128.30
5. Step 5: Solve for x
   x = 2,102,668,128.30/20,848.64
6. Step 6: Final answer
   x = 100,853.97