Finding the Third Proportional to 63,463.92 and 139,381.59

Step by Step Solution

1. Step 1: Write the proportion equation
   63,463.92 : 139,381.59 = 139,381.59 : x
2. Step 2: Convert to fraction form
   63,463.92/139,381.59 = 139,381.59/x
3. Step 3: Cross multiply
   63,463.92x = 139,381.59 × 139,381.59
4. Step 4: Simplify right side
   63,463.92x = 19,427,228,676.29
5. Step 5: Solve for x
   x = 19,427,228,676.29/63,463.92
6. Step 6: Final answer
   x = 306,114.53