Finding the Third Proportional to 16,764.47 and 34,907.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,764.47 : 34,907.20 = 34,907.20 : x
2. Step 2: Convert to fraction form
   16,764.47/34,907.20 = 34,907.20/x
3. Step 3: Cross multiply
   16,764.47x = 34,907.20 × 34,907.20
4. Step 4: Simplify right side
   16,764.47x = 1,218,512,830.01
5. Step 5: Solve for x
   x = 1,218,512,830.01/16,764.47
6. Step 6: Final answer
   x = 72,684.25