Finding the Third Proportional to 38,819.25 and 51,090.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,819.25 : 51,090.75 = 51,090.75 : x
2. Step 2: Convert to fraction form
   38,819.25/51,090.75 = 51,090.75/x
3. Step 3: Cross multiply
   38,819.25x = 51,090.75 × 51,090.75
4. Step 4: Simplify right side
   38,819.25x = 2,610,264,735.56
5. Step 5: Solve for x
   x = 2,610,264,735.56/38,819.25
6. Step 6: Final answer
   x = 67,241.50