Finding the Third Proportional to 18,657.84 and 40,953.09

Step by Step Solution

1. Step 1: Write the proportion equation
   18,657.84 : 40,953.09 = 40,953.09 : x
2. Step 2: Convert to fraction form
   18,657.84/40,953.09 = 40,953.09/x
3. Step 3: Cross multiply
   18,657.84x = 40,953.09 × 40,953.09
4. Step 4: Simplify right side
   18,657.84x = 1,677,155,887.70
5. Step 5: Solve for x
   x = 1,677,155,887.70/18,657.84
6. Step 6: Final answer
   x = 89,890.12