Finding the Third Proportional to 63,810 and 140,296.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,810 : 140,296.50 = 140,296.50 : x
2. Step 2: Convert to fraction form
   63,810/140,296.50 = 140,296.50/x
3. Step 3: Cross multiply
   63,810x = 140,296.50 × 140,296.50
4. Step 4: Simplify right side
   63,810x = 19,683,107,912.25
5. Step 5: Solve for x
   x = 19,683,107,912.25/63,810
6. Step 6: Final answer
   x = 308,464.31