Finding the Third Proportional to 54,789.75 and 74,246.63

Step by Step Solution

1. Step 1: Write the proportion equation
   54,789.75 : 74,246.63 = 74,246.63 : x
2. Step 2: Convert to fraction form
   54,789.75/74,246.63 = 74,246.63/x
3. Step 3: Cross multiply
   54,789.75x = 74,246.63 × 74,246.63
4. Step 4: Simplify right side
   54,789.75x = 5,512,561,323.89
5. Step 5: Solve for x
   x = 5,512,561,323.89/54,789.75
6. Step 6: Final answer
   x = 100,613.00