Finding the Third Proportional to 48,601.31 and 79,361.63

Step by Step Solution

1. Step 1: Write the proportion equation
   48,601.31 : 79,361.63 = 79,361.63 : x
2. Step 2: Convert to fraction form
   48,601.31/79,361.63 = 79,361.63/x
3. Step 3: Cross multiply
   48,601.31x = 79,361.63 × 79,361.63
4. Step 4: Simplify right side
   48,601.31x = 6,298,267,522.64
5. Step 5: Solve for x
   x = 6,298,267,522.64/48,601.31
6. Step 6: Final answer
   x = 129,590.48