Finding the Third Proportional to 39,381.50 and 63,172.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,381.50 : 63,172.75 = 63,172.75 : x
2. Step 2: Convert to fraction form
   39,381.50/63,172.75 = 63,172.75/x
3. Step 3: Cross multiply
   39,381.50x = 63,172.75 × 63,172.75
4. Step 4: Simplify right side
   39,381.50x = 3,990,796,342.56
5. Step 5: Solve for x
   x = 3,990,796,342.56/39,381.50
6. Step 6: Final answer
   x = 101,336.83