Finding the Third Proportional to 16,824.38 and 36,434.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,824.38 : 36,434.81 = 36,434.81 : x
2. Step 2: Convert to fraction form
   16,824.38/36,434.81 = 36,434.81/x
3. Step 3: Cross multiply
   16,824.38x = 36,434.81 × 36,434.81
4. Step 4: Simplify right side
   16,824.38x = 1,327,495,561.91
5. Step 5: Solve for x
   x = 1,327,495,561.91/16,824.38
6. Step 6: Final answer
   x = 78,903.11