Finding the Third Proportional to 63,781.25 and 139,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,781.25 : 139,044.50 = 139,044.50 : x
2. Step 2: Convert to fraction form
   63,781.25/139,044.50 = 139,044.50/x
3. Step 3: Cross multiply
   63,781.25x = 139,044.50 × 139,044.50
4. Step 4: Simplify right side
   63,781.25x = 19,333,372,980.25
5. Step 5: Solve for x
   x = 19,333,372,980.25/63,781.25
6. Step 6: Final answer
   x = 303,120.01