Finding the Third Proportional to 63,680.63 and 143,784.56

Step by Step Solution

1. Step 1: Write the proportion equation
   63,680.63 : 143,784.56 = 143,784.56 : x
2. Step 2: Convert to fraction form
   63,680.63/143,784.56 = 143,784.56/x
3. Step 3: Cross multiply
   63,680.63x = 143,784.56 × 143,784.56
4. Step 4: Simplify right side
   63,680.63x = 20,674,000,413.32
5. Step 5: Solve for x
   x = 20,674,000,413.32/63,680.63
6. Step 6: Final answer
   x = 324,651.34