Finding the Third Proportional to 51,143.91 and 74,118.80

Step by Step Solution

1. Step 1: Write the proportion equation
   51,143.91 : 74,118.80 = 74,118.80 : x
2. Step 2: Convert to fraction form
   51,143.91/74,118.80 = 74,118.80/x
3. Step 3: Cross multiply
   51,143.91x = 74,118.80 × 74,118.80
4. Step 4: Simplify right side
   51,143.91x = 5,493,596,050.20
5. Step 5: Solve for x
   x = 5,493,596,050.20/51,143.91
6. Step 6: Final answer
   x = 107,414.48