Finding the Third Proportional to 63,654.47 and 139,549.78

Step by Step Solution

1. Step 1: Write the proportion equation
   63,654.47 : 139,549.78 = 139,549.78 : x
2. Step 2: Convert to fraction form
   63,654.47/139,549.78 = 139,549.78/x
3. Step 3: Cross multiply
   63,654.47x = 139,549.78 × 139,549.78
4. Step 4: Simplify right side
   63,654.47x = 19,474,141,446.92
5. Step 5: Solve for x
   x = 19,474,141,446.92/63,654.47
6. Step 6: Final answer
   x = 305,935.18