Finding the Third Proportional to 35,543.81 and 53,404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   35,543.81 : 53,404.31 = 53,404.31 : x
2. Step 2: Convert to fraction form
   35,543.81/53,404.31 = 53,404.31/x
3. Step 3: Cross multiply
   35,543.81x = 53,404.31 × 53,404.31
4. Step 4: Simplify right side
   35,543.81x = 2,852,020,593.60
5. Step 5: Solve for x
   x = 2,852,020,593.60/35,543.81
6. Step 6: Final answer
   x = 80,239.58