Finding the Third Proportional to 35,553.38 and 53,420.63

Step by Step Solution

1. Step 1: Write the proportion equation
   35,553.38 : 53,420.63 = 53,420.63 : x
2. Step 2: Convert to fraction form
   35,553.38/53,420.63 = 53,420.63/x
3. Step 3: Cross multiply
   35,553.38x = 53,420.63 × 53,420.63
4. Step 4: Simplify right side
   35,553.38x = 2,853,763,175.39
5. Step 5: Solve for x
   x = 2,853,763,175.39/35,553.38
6. Step 6: Final answer
   x = 80,267.01