Finding the Third Proportional to 16,331.63 and 35,778.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,331.63 : 35,778.38 = 35,778.38 : x
2. Step 2: Convert to fraction form
   16,331.63/35,778.38 = 35,778.38/x
3. Step 3: Cross multiply
   16,331.63x = 35,778.38 × 35,778.38
4. Step 4: Simplify right side
   16,331.63x = 1,280,092,117.64
5. Step 5: Solve for x
   x = 1,280,092,117.64/16,331.63
6. Step 6: Final answer
   x = 78,381.18