Finding the Third Proportional to 16,140.75 and 34,830.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,140.75 : 34,830.75 = 34,830.75 : x
2. Step 2: Convert to fraction form
   16,140.75/34,830.75 = 34,830.75/x
3. Step 3: Cross multiply
   16,140.75x = 34,830.75 × 34,830.75
4. Step 4: Simplify right side
   16,140.75x = 1,213,181,145.56
5. Step 5: Solve for x
   x = 1,213,181,145.56/16,140.75
6. Step 6: Final answer
   x = 75,162.63