Finding the Third Proportional to 63,784.13 and 139,046.63

Step by Step Solution

1. Step 1: Write the proportion equation
   63,784.13 : 139,046.63 = 139,046.63 : x
2. Step 2: Convert to fraction form
   63,784.13/139,046.63 = 139,046.63/x
3. Step 3: Cross multiply
   63,784.13x = 139,046.63 × 139,046.63
4. Step 4: Simplify right side
   63,784.13x = 19,333,963,923.89
5. Step 5: Solve for x
   x = 19,333,963,923.89/63,784.13
6. Step 6: Final answer
   x = 303,115.61