Finding the Third Proportional to 16,468.31 and 36,620.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,468.31 : 36,620.86 = 36,620.86 : x
2. Step 2: Convert to fraction form
   16,468.31/36,620.86 = 36,620.86/x
3. Step 3: Cross multiply
   16,468.31x = 36,620.86 × 36,620.86
4. Step 4: Simplify right side
   16,468.31x = 1,341,087,341.36
5. Step 5: Solve for x
   x = 1,341,087,341.36/16,468.31
6. Step 6: Final answer
   x = 81,434.41