Finding the Third Proportional to 35,691.75 and 55,109.25

Step by Step Solution

1. Step 1: Write the proportion equation
   35,691.75 : 55,109.25 = 55,109.25 : x
2. Step 2: Convert to fraction form
   35,691.75/55,109.25 = 55,109.25/x
3. Step 3: Cross multiply
   35,691.75x = 55,109.25 × 55,109.25
4. Step 4: Simplify right side
   35,691.75x = 3,037,029,435.56
5. Step 5: Solve for x
   x = 3,037,029,435.56/35,691.75
6. Step 6: Final answer
   x = 85,090.52