Finding the Third Proportional to 39,181.75 and 51,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,181.75 : 51,041.50 = 51,041.50 : x
2. Step 2: Convert to fraction form
   39,181.75/51,041.50 = 51,041.50/x
3. Step 3: Cross multiply
   39,181.75x = 51,041.50 × 51,041.50
4. Step 4: Simplify right side
   39,181.75x = 2,605,234,722.25
5. Step 5: Solve for x
   x = 2,605,234,722.25/39,181.75
6. Step 6: Final answer
   x = 66,491.03