Finding the Third Proportional to 51,565.50 and 69,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,565.50 : 69,871.50 = 69,871.50 : x
2. Step 2: Convert to fraction form
   51,565.50/69,871.50 = 69,871.50/x
3. Step 3: Cross multiply
   51,565.50x = 69,871.50 × 69,871.50
4. Step 4: Simplify right side
   51,565.50x = 4,882,026,512.25
5. Step 5: Solve for x
   x = 4,882,026,512.25/51,565.50
6. Step 6: Final answer
   x = 94,676.22