Finding the Third Proportional to 52,855.88 and 72,479.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,855.88 : 72,479.81 = 72,479.81 : x
2. Step 2: Convert to fraction form
   52,855.88/72,479.81 = 72,479.81/x
3. Step 3: Cross multiply
   52,855.88x = 72,479.81 × 72,479.81
4. Step 4: Simplify right side
   52,855.88x = 5,253,323,220.04
5. Step 5: Solve for x
   x = 5,253,323,220.04/52,855.88
6. Step 6: Final answer
   x = 99,389.58